90. What is a frequency table?

C) Table showing number of occurrences

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Session 200 questions

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Questions 200

Answers

1
9. What is the probability of getting a 7 on a standard die?
C) 1
D) 6
B) 1/6
A) 0
2
94. What is the mode of 3, 3, 4, 5, 6, 6, 6?
D) 5
A) 3
B) 4
C) 6
3
116. A good sample is:
D) Always full population
A) Small
B) Random
C) Biased
4
179. Which is a measure of central tendency?
A) Range
D) Standard deviation
B) Mean
C) Variance
5
96. What is the median of: 10, 20, 30, 40, 50, 60?
B) 35
D) 25
C) 40
A) 30
6
124. Which center measure is best when there are outliers?
C) Mode
D) Range
B) Median
A) Mean
7
57. In a bag of 10 balls (6 black, 4 white), P(white)?
B) 6/10
A) 4/10
D) 1/4
C) 1/2
8
90. What is a frequency table?
A) A pie chart
D) Table o
C) Table showing number of occurrences
B) Table of averages
9
181. The range of 10, 15, 20, 25 is:
C) 20
D) 15
B) 15
A) 10
10
1. What is the probability of getting a head when tossing a fair coin?
✔ D) 2
A) 0
B) 1
C) 1/2
11
65. What is the probability of rolling a 6 on a fair die?
B) 1/3
C) 1/6
D) 6
A) 1/2
12
95. In statistics, data refers to:
D) Math equations
B) Only averages
C) Collected information
A) Graphs only
13
12. A jar has 5 red and 3 blue balls. What is the probability of picking a red ball?
D) 1/8
C) 1/2
B) 5/8
A) 3/8
14
187. A sample is:
A) Entire population
B) Subset of population
D) Range of data
C) Average of data
15
104. If the data are 4, 6, 6, 6, 7, 8, then the mode is:
B) 7
A) 6
D) 4
C) 8
16
174. Which operator is used for floor division?
D) **
C) %
B) //
A) /
17
3. Probability is always a number between:
A) -1 and 1
B) 0 and 1 ✔
D) -∞ and ∞
C) 1 and 100
18
185. A pie chart is best for showing:
C) Correlations
B) Averages
D) Standard deviations
A) Percentages
19
80. What is the range of the numbers: 2, 5, 7, 10?
A) 8
C) 2
D) 7
B) 10
20
51. Drawing a Queen or a King from a deck:
B) 2/52
D) 1/2
C) 2/26
A) 2/13
21
128. Which of these describes a symmetric distribution?
B) Lopsided
D) Random
C) Bell-shaped
A) Skewed
22
14. How many outcomes are in the sample space for tossing 3 coins?
D) 3
B) 8
A) 6
C) 4
23
146. What is the keyword to start a loop in Python?
D) iterate
A) loop
C) for
B) repeat
24
84. What is a sample?
D) A table
B) A graph
A) The entire group
C) A subset of the population
25
152. What is the index of the first element in a list?
A) 1
C) -1
D) First
B) 0
26
180. Which is a measure of spread?
C) Range
D) Mean
A) Mode
B) Median
27
69. Events that cannot happen at the same time are:
D) Random
C) Certain
A) Independent
B) Mutually exclusive
28
4. The probability of an impossible event is:
C) 1/2
A) 1
B) 0
D) ∞
29
137. Which keyword is used to define a function in Python?
C) function
D) define
A) func
B) def
30
52. A spinner with 4 equal parts: red, blue, green, yellow. P(red)?
C) 1/4
A) 1/2
D) 1/5
B) 1/3
31
114. Which is not a graph?
A) Bar graph
C) Table
B) Pie chart
D) Line graph
32
30. Probability of getting heads or tails when tossing a coin?
D) 2
B) 1
A) 0
C) 0.5
33
190. A variable that can be named but not ordered is:
A) Nominal
B) Ordinal
D) Ratio
C) Interval
34
5. A die is rolled once. What is the probability of getting an even number?
C) 2/3
A) 1/6
D) 5/6
B) 1/2
35
119. A box plot shows:
B) Quartiles
C) Median
A) Range
D) All of the above
36
78. The median of 1, 3, 3, 6, 7 is:
C) 7
B) 6
D) 4
A) 3
37
60. If a number is chosen at random from 1 to 5, P(2 or 4)?
B) 2/5
C) 3/5
A) 1/5
D) 4/5
38
121. Bias in data collection means:
C) Systematic error
B) Fair survey
A) Correct sampling
D) Large sample
39
31. In a box of 5 red and 5 green balls, probability of picking a green one?
A) 0
C) 1
B) 1/2
D) 2
40
19. If two coins are tossed, what is the probability of getting at least one head?
C) 3/4
B) 1/2
D) 1
A) 1/4
41
What is the total number of outcomes when rolling a fair six-sided die?
C) 6
B) 5
D) 12
A) 3
42
191. Quartiles divide data into:
A) 2
B) 3
C) 4
D) 5
43
46. Rolling two dice, probability of getting sum = 2?
A) 1/6
B) 1/12
C) 1/36
D) 1/18
44
66. If two coins are flipped, how many outcomes are possible?
D) 6
C) 4
B) 3
A) 2
45
113. Which of the following is not categorical?
D) Eye color
A) Country
C) Age
B) Gender
46
34. Two dice are rolled. What is the total number of outcomes?
D) 18
B) 12
A) 6
C) 36
47
67. Probability of an impossible event is:
A) 1
D) Unknown
B) 0
C) 0.5
48
154. How do you create an empty list?
B) []
D) empty()
C) ()
A) {}
49
143. What is the result of 2 * 3 + 1?
A) 7
D) 9
B) 8
C) 6
50
53. If a coin is flipped 5 times, how many outcomes?
D) 32
C) 16
A) 5
B) 10
51
197. The standard deviation is a measure of:
A) Center
B) Spread
C) Frequency
D) Skewness
52
50. If P(A) = 0.4, P(B) = 0.5, A and B independent, P(A and B) = ?
A) 0.2
C) 0.1
B) 0.9
D) 0.2
53
138. What is the correct way to create a variable in Python?
D) x := 5
B) int x = 5
A) let x = 5
C) x = 5
54
195. The average of squared deviations is:
C) Range
B) Variance
D) Mode
A) Standard deviation
55
18. Probability of the union of two mutually exclusive events A and B is:
D) 1 - P(A)
C) P(A) - P(B)
B) P(A) + P(B)
A) P(A) × P(B)
56
6. A coin is tossed twice. How many total outcomes are there?
C) 4
A) 2
B) 3
D) 6
57
36. A bag has 4 red, 6 blue, and 10 green marbles. P(red) = ?
C) 2/3
A) 4/20
B) 1/5
D) 1/2
58
108. Which graph best shows change over time?
A) Bar graph
B) Line graph
D) Dot plot
C) Pie chart
59
22. Probability of the union of two mutually exclusive events A and B is:
A) P(A) × P(B)
D) 1 -
C) P(A) - P(B)
B) P(A) + P(B)
60
130. Quartiles divide data into:
D) 10 parts
B) 4 parts
A) 2 parts
C) 5 parts
61
73. Rolling two dice, what is the probability of getting a sum of 2?
B) 1/12
C) 1/36
D) 1/18
A) 1/6
62
172. What will print(5 in [1, 2, 3, 4, 5]) return?
B) True
C) 5
A) False
D) Error
63
28. Probability of drawing an ace from a deck?
D) Both A and B
B) 4/52
C) 1/4
A) 1/13
64
184. Data that can be counted is called:
C) Nominal
B) Discrete
D) Qualitative
A) Continuous
65
147. Which operator is used for exponentiation?
B) **
D) //
A) ^
C) %
66
132. Which graph shows the frequency of individual data points?
D) Histogram
B) Dot plot
A) Line graph
C) Pie chart
67
38. Which of these pairs are independent events?
A) Drawing two cards without replacement
B) Tossing a coin and rolling a die
C) Rolling two dice and summing
D) Drawing a card and not putting it back
68
24. A card is drawn from a standard deck. Probability it is a King?
A) 1/4
C) 1/52
D) 4/13
B) 1/13
69
155. What is a correct boolean value in Python?
B) Yes
D) 1
A) TRUE
C) True
70
186. The difference between highest and lowest values is:
D) Frequency
B) Mode
C) Range
A) Mean
71
105. A symmetric distribution has:
C) No center
A) Left tail
D) Mirror image sides
B) Right tail
72
144. What will print(10 // 3) output?
B) 3
C) 4 D) 0
A) 3.33
C) 4 D) 0
73
87. A pie chart is best used for:
A) Showing trends
D) Showing frequency
C) Showing proportions
B) Comparing totals
74
140. What is the result of print(10 / 2)?
D) 2
B) 5.0
A) 5
C) 0.5
75
91. What does a histogram show?
A) Categorical data
B) Proportions
C) Numerical data distribution
D) Random guesses
76
173. What is str(10)?
C) Error
D) None
A) '10'
B) 10
77
99. What is the mode of 1, 2, 2, 3, 4, 4?
D) 1
C) 2 and 4
B) 4
A) 2
78
141. Which of these is a string in Python?
C) 123
D) True
B) Hello
A) "Hello"
79
49. Tossing a die, P(number > 4)?
C) 3/6
D) 5/6
A) 1/6
B) 2/6
80
194. A graph that uses quartiles is a:
C) Bar graph
D) Dot plot
B) Box plot
A) Histogram
81
35. A standard deck has how many spades?
A) 13
B) 12
C) 14
D) 10
82
145. Which of the following is a valid list in Python?
A) {1, 2, 3}
D) <1, 2, 3>
B) [1, 2, 3]
C) (1, 2, 3)
83
175. What will print('Python'[0]) output?
A) P
D) n
C) 0
B) y
84
150. How do you start an if-statement in Python?
B) if (x == y) then
A) if x == y:
C) if x = y then
D) if x equals y
85
58. Rolling a die, P(odd number)?
D) 5/6
C) 4/6
B) 3/6
A) 2/6
86
89. The term "mean" refers to:
B) Most frequent value
A) Middle value
C) Average
D) Highest value
87
136. What is the output of print(3 + 4)?
D) Error
A) 34
B) 7
C) 4
88
163. What will print(4 != 5) output?
C) Error
D) 0
A) False
B) True
89
32. If P(A) = 0.3 and P(B) = 0.4 and A, B are mutually exclusive, then P(A or B) = ?
A) 0.12
D) 1.2
C) 0.1
B) 0.7
90
62. What is the sum of all probabilities in a sample space?
D) 100
B) 1
A) 0.5
C) 2
91
98. Range of 14, 7, 9, 3, 10?
A) 11
D) 7
B) 10
C) 9
92
10. A number is randomly chosen from 1 to 10. What is the probability that it's greater than 7?
B) 1/2
D) 7/10
A) 1/5
C) 2/3
93
164. What is the result of 5 == '5'?
A) True
D) 5
B) False
C) Error
94
158. Which is a valid loop structure in Python?
D) loop i < 10
A) for i to 10
C) repeat until
B) while i < 10
95
120. What is a histogram?
B) Line graph for numbers
A) Bar graph for categories
C) Bar graph for numerical ranges
D) Circle graph
96
110. What is a variable?
C) Always numeric
D) Always qualitative
B) A changing data point
A) Fixed value
97
20. A card is drawn from a standard deck. Probability it is a King?
B) 1/13
A) 1/4
D) 4/13
C) 1/52
98
166. What will print(3 > 2 and 2 > 1) return?
D) None
B) False
C) Error
A) True
99
189. Which is a continuous variable?
C) Height
B) Eye color
A) Number of books
D) Shoe size
100
13. A coin is tossed. What is the probability of getting tails?
C) 1/2
B) 0
A) 1
D) 1/3
101
17. What is the probability of drawing a heart from a standard deck?
A) 1/4
C) 1/3
D) 1/2
B) 1/13
102
160. What is the output of print('2' + '3')?
A) 5
C) 23
D) Error
B) 6
103
112. Data that can be counted is called:
D) Biased
B) Discrete
A) Continuous
C) Random
104
88. The sum of relative frequencies is always:
A) 10
D) Depends on data
B) 100
C) 1
105
125. Which of the following is ordinal data?
A) Temperature in °C
D) Weight
C) Age
B) Rankings (1st, 2nd, 3rd)
106
79. Which measure is most affected by an outlier?
A) Mode
D) Range
C) Mean
B) Median
107
83. What is a population in statistics?
A) All possible data points
B) A sample
D) Only odd values
C) Only even values
108
111. Which type of data is “number of books”?
A) Categorical
B) Quantitative
C) Nominal
D) Ordinal
109
21. What is the probability of drawing a heart from a standard deck?
C) 1/3
A) 1/4
D) 1/2
B) 1/13
110
92. What is a common measure of spread?
C) Range
A) Mean
B) Mode
D) Frequency
111
71. P(A) = 0.3, P(B) = 0.4, if A and B are mutually exclusive, P(A or B) = ?
A) 0.7
B) 0.12
D) 1.2
C) 0.1
112
101. Which is a measure of variability?
A) Median
D) Mean
B) Mode
C) Range
113
177. The most frequently occurring value is called:
C) Mode
D) Range
B) Median
A) Mean
114
170. What is the output of print('hello'.upper())?
C) Hello
D) Error
A) HELLO
B) hello
115
47. If P(A) = 0.7, what is P(not A)?
B) 0.3
A) 0.7
D) 1
C) 1.7
116
149. What does print('A' * 3) output?
A) AAA
B) A3
D) 3A
C) Error
117
131. What is the interquartile range (IQR)?
A) Q3 - Q1
C) Max - Min
B) Q1 + Q3
D) Median - Mean
118
26. How many even numbers are on a die?
B) 3
D) 5
A) 2
C) 4
119
157. What will print(bool(0)) output?
D) Error
B) False
A) True
C) 0
120
102. What is an outlier?
B) Value far from others
C) The smallest value
A) Average value
D) Always the mode
121
118. A graph that uses parts of a circle is:
C) Bar graph
B) Pie chart
A) Line graph
D) Histogram
122
162. Which of these defines a dictionary?
D) {1, 2, 3}
A) [1: 'a', 2: 'b']
C) (1, 2)
B) {'a': 1, 'b': 2}
123
100. Which measure is NOT used to describe center?
C) Mode
B) Median
A) Mean
D) Range
124
107. The median of: 5, 15, 25 is:
C) 25
A) 10
D) 5
B) 15
125
171. Which method removes the last item from a list?
C) remove()
A) delete()
B) pop()
D) cut()
126
199. If a data set has two modes, it is:
C) Trimodal
B) Bimodal
A) Unimodal
D) Multimodal
127
148. Which of these is used to get user input?
D) readline()
A) scanf()
C) gets()
B) input()
128
134. If data is skewed right, mean is:
B) Equal to median
D) Negative
C) Greater than median
A) Less than median
129
82. A survey is an example of:
B) Experiment
C) Data collection
A) Population
D) Sampling error
130
59. Which of the following is not possible?
D) Probability = 0.8
C) Probability = -0.1
B) Probability = 1
A) Probability = 0
131
64. Which value cannot be a probability?
A) 0.3
D) 1
C) 0
B) 1.2
132
23. If two coins are tossed, what is the probability of getting at least one head?
C) 3/4
B) 1/2
A) 1/4
D) 1
133
75. What does "equally likely" mean in probability?
A) All outcomes have same chance
C) Opposite outcom
D) Random guess
B) Events happen together
134
48. A card is drawn. P(club or spade)?
A) 13/52
B) 26/52
D) Both B and C
C) 1/2
135
40. If two events are independent, P(A and B) = ?
D) 1 - P(A)
C) P(A) × P(B)
B) P(A) - P(B)
A) P(A) + P(B)
136
29. How many face cards are in a deck?
D) 10
A) 12
C) 16
B) 13
137
8. Which of the following cannot be a probability?
D) 1
A) 0.5
B) 1.1
C) 0
138
198. If data is symmetric, then:
B) Mean > Median
A) Mean = Median
C) Mean < Median
D) No relation
139
45. A box has 3 red and 7 blue balls. P(blue) = ?
A) 3/10
C) 1/2
B) 7/10
D) 10/7
140
200. What is the best graph for continuous data distribution?
C) Bar chart
B) Histogram
D) Line graph
A) Pie chart
141
63. A number is chosen at random from 1 to 5. What is P(odd)?
A) 2/5
B) 1/5
C) 3/5
D) 4/5
142
122. What is an example of continuous data?
D) TV brands
B) Shoe sizes
A) Number of children
C) Height
143
41. If a number is chosen from 1–100, probability it's divisible by 10?
D) 10/100
C) 1/2
A) 1/10
B) 1/5
144
25. Probability of getting an odd number on a die?
D) 5/6
B) 1/2
C) 2/3
A) 1/6
145
97. Mean of 6, 8, 10, 12, 14?
B) 8
C) 12
D) 6
A) 10
146
7. The probability of a certain event is:
C) 1
A) 0
B) 0.5
D) Cannot be determined
147
81. Which type of graph shows data using bars?
B) Line graph
A) Pie chart
C) Bar graph
D) Histogram
148
16. An event with a probability of 1 will:
D) depend on chance
B) sometimes happen
A) never happen
C) always happen
149
139. What symbol is used for comments in Python?
C) #
B) <!--
D) /*
A) //
150
117. What is a census?
A) Survey of few
B) Sample
C) Entire population ✔
D) Random event
151
176. What is the mean of 2, 4, 6, 8, 10?
C) 7
B) 6
D) 4
A) 5
152
11. Which of these is a valid probability?
D) 2
B) 1.5
C) 0.6
A) -0.3
153
70. What is the probability of getting an even number when rolling a die?
A) 2/6
B) 1/2
C) 4/6
D) 1/3
154
72. The probability of a certain event is:
C) 0.5
A) 0
D) Unknown
B) 1
155
86. Which of the following is quantitative data?
D) Country
B) Favorite color
A) Car brands
C) Weight
156
44. In a class of 20 students, one is chosen at random. Probability of picking any one student?
C) 1/20
D) 0
B) 1/10
A) 1
157
93. What is a uniform distribution?
C) All outcomes equally likely
D) Constant slope
A) Skewed left
B) Bell-shaped
158
182. A bar chart is used to show:
D) Random data
C) Continuous data
B) Categorical data
A) Quantitative data
159
37. A coin is tossed 3 times. P(all heads) = ?
C) 1/8
D) 3/8
B) 1/6
A) 1/4
160
27. Which of the following events is certain?
B) Getting a number less than 7 on a standard die
D) Drawing a joker from a standard deck
A) Rolling a 1 on a 10-sided die
C) Tossing two heads in one coin flip
161
39. In probability, the word "or" usually refers to:
C) Subtraction
B) Multiplication
D) Division
A) Addition
162
168. What will print(9 % 2) output?
C) 2
A) 0
B) 1
D) 9
163
167. Which of these is a tuple?
A) (1, 2, 3)
B) [1, 2, 3]
D) <1, 2, 3>
C) {1, 2, 3}
164
106. What’s another name for average?
A) Mode
B) Median
D) Range
C) Mean
165
159. What does int('5') return?
C) Error
D) float
A) '5'
B) 5
166
196. What type of variable is ranking (1st, 2nd)?
A) Nominal
C) Ratio
B) Ordinal
D) Interval
167
68. What is the probability of drawing a red card from a standard deck?
B) 1/2
A) 1/4
D) 3/4
C) 1/3
168
165. What is type([1, 2, 3])?
B) dict
D) array
C) tuple
A) list
169
109. A survey of 100 people is a:
A) Sample
C) Statistic
D) Variable
B) Population
170
192. The 50th percentile is also known as:
D) Range
A) Q1
C) Median
B) Q3
171
151. What is the result of len([1, 2, 3, 4])?
B) 4
C) 5
A) 3
D) Error
172
188. Data measured on a scale is called:
B) Ordinal
D) Categorical
A) Nominal
C) Interval
173
126. The center of a box plot is the:
A) Mean
C) Median
B) Range
D) Outlier
174
103. Median of: 3, 4, 5, 6, 7, 8, 9, 10?
D) 6
C) 5
B) 7
A) 6.5
175
183. A histogram shows:
D) Pie chart values
B) Discrete data
A) Categorical data
C) Frequency of numerical data
176
156. Which function gives the maximum value in a list?
B) high()
D) maximum()
A) max()
C) maxvalue()
177
85. Which type of data is qualitative?
A) Age
C) Eye color
B) Height
D) Temperature
178
56. P(A) = 0.25. P(not A) = ?
C) 0.5
D) 1
B) 0.25
A) 0.75
179
74. Which of these are complementary events?
A) Drawing red and drawing queen
B) Drawing king and not king
C) Getting even and getting odd on dice
D) Drawing heart and club
180
135. When all values are the same, mean = median = mode?
A) True
D) Never
B) False
C) Depends
181
161. What is None in Python?
A) False
B) An empty string
D) Zero
C) A null value
182
115. What is 75th percentile also called?
B) Median
C) Third quartile
D) Minimum
A) First quartile
183
153. What does range(3) generate?
D) 3 values starting from 1
A) 1, 2, 3
C) 0, 1, 2, 3
B) 0, 1, 2
184
193. What is IQR?
B) Q3 - Q1
A) Q1 + Q3
D) Mean - Median
C) Max - Min
185
54. Probability of drawing a non-face card?
C) 13/52
A) 40/52
B) 12/52
D) 1/4
186
61. What is the probability of flipping heads on a fair coin?
D) 2
A) 0
B) 1
C) 0.5
187
55. Two coins tossed. Probability of exactly one head?
D) 1
C) 3/4
A) 1/4
B) 2/4
188
169. What does break do in a loop?
A) Continues to next iteration
B) Stops the loop
D) Skips the loo
C) Restarts the loop
189
178. The middle number in a data set is the:
B) Mode
D) Range
A) Mean
C) Median
190
15. If P(A) = 0.6, what is P(not A)?
C) 1.6
D) 1
A) 0.4
B) 0.6
191
129. Data with two peaks is called:
A) Unimodal
D) Normal
B) Bimodal
C) Skewed
192
77. What is the mode of the data set: 2, 3, 3, 4, 5?
B) 3
D) 5
C) 4
A) 2
193
76. What is the average of 5, 10, and 15?
A) 10
D) 30
B) 15
C) 5
194
33. An event that cannot happen is called:
C) Impossible
B) Certain
D) Complement
A) Independent
195
42. If a die is rolled, what is the probability of not getting a 3?
A) 5/6
D) 2/3
C) 1/2
B) 1/6
196
43. The complement of "event A" means:
C) Event A does not happen
A) Event A happens
B) Event A repeats
D) Event A alway
197
133. What is the minimum value in 5-number summary?
D) Q1
C) The median
B) The largest
A) The smallest
198
123. Which term refers to data "most often occurring"?
D) Outlier
C) Mode
A) Mean
B) Median
199
127. A table showing tally marks is a:
D) Survey
C) Chart
A) Graph
B) Frequency table
200
142. What is the output of print(type('123'))?
D) int
A) <class 'int'>
C) string
B) <class 'str'>

Session 200 questions Flashcards | StudBud

Session 200 questions

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Questions 200

Answers

1
9. What is the probability of getting a 7 on a standard die?
C) 1
D) 6
B) 1/6
A) 0
2
94. What is the mode of 3, 3, 4, 5, 6, 6, 6?
D) 5
A) 3
B) 4
C) 6
3
116. A good sample is:
D) Always full population
A) Small
B) Random
C) Biased
4
179. Which is a measure of central tendency?
A) Range
D) Standard deviation
B) Mean
C) Variance
5
96. What is the median of: 10, 20, 30, 40, 50, 60?
B) 35
D) 25
C) 40
A) 30
6
124. Which center measure is best when there are outliers?
C) Mode
D) Range
B) Median
A) Mean
7
57. In a bag of 10 balls (6 black, 4 white), P(white)?
B) 6/10
A) 4/10
D) 1/4
C) 1/2
8
90. What is a frequency table?
A) A pie chart
D) Table o
C) Table showing number of occurrences
B) Table of averages
9
181. The range of 10, 15, 20, 25 is:
C) 20
D) 15
B) 15
A) 10
10
1. What is the probability of getting a head when tossing a fair coin?
✔ D) 2
A) 0
B) 1
C) 1/2
11
65. What is the probability of rolling a 6 on a fair die?
B) 1/3
C) 1/6
D) 6
A) 1/2
12
95. In statistics, data refers to:
D) Math equations
B) Only averages
C) Collected information
A) Graphs only
13
12. A jar has 5 red and 3 blue balls. What is the probability of picking a red ball?
D) 1/8
C) 1/2
B) 5/8
A) 3/8
14
187. A sample is:
A) Entire population
B) Subset of population
D) Range of data
C) Average of data
15
104. If the data are 4, 6, 6, 6, 7, 8, then the mode is:
B) 7
A) 6
D) 4
C) 8
16
174. Which operator is used for floor division?
D) **
C) %
B) //
A) /
17
3. Probability is always a number between:
A) -1 and 1
B) 0 and 1 ✔
D) -∞ and ∞
C) 1 and 100
18
185. A pie chart is best for showing:
C) Correlations
B) Averages
D) Standard deviations
A) Percentages
19
80. What is the range of the numbers: 2, 5, 7, 10?
A) 8
C) 2
D) 7
B) 10
20
51. Drawing a Queen or a King from a deck:
B) 2/52
D) 1/2
C) 2/26
A) 2/13
21
128. Which of these describes a symmetric distribution?
B) Lopsided
D) Random
C) Bell-shaped
A) Skewed
22
14. How many outcomes are in the sample space for tossing 3 coins?
D) 3
B) 8
A) 6
C) 4
23
146. What is the keyword to start a loop in Python?
D) iterate
A) loop
C) for
B) repeat
24
84. What is a sample?
D) A table
B) A graph
A) The entire group
C) A subset of the population
25
152. What is the index of the first element in a list?
A) 1
C) -1
D) First
B) 0
26
180. Which is a measure of spread?
C) Range
D) Mean
A) Mode
B) Median
27
69. Events that cannot happen at the same time are:
D) Random
C) Certain
A) Independent
B) Mutually exclusive
28
4. The probability of an impossible event is:
C) 1/2
A) 1
B) 0
D) ∞
29
137. Which keyword is used to define a function in Python?
C) function
D) define
A) func
B) def
30
52. A spinner with 4 equal parts: red, blue, green, yellow. P(red)?
C) 1/4
A) 1/2
D) 1/5
B) 1/3
31
114. Which is not a graph?
A) Bar graph
C) Table
B) Pie chart
D) Line graph
32
30. Probability of getting heads or tails when tossing a coin?
D) 2
B) 1
A) 0
C) 0.5
33
190. A variable that can be named but not ordered is:
A) Nominal
B) Ordinal
D) Ratio
C) Interval
34
5. A die is rolled once. What is the probability of getting an even number?
C) 2/3
A) 1/6
D) 5/6
B) 1/2
35
119. A box plot shows:
B) Quartiles
C) Median
A) Range
D) All of the above
36
78. The median of 1, 3, 3, 6, 7 is:
C) 7
B) 6
D) 4
A) 3
37
60. If a number is chosen at random from 1 to 5, P(2 or 4)?
B) 2/5
C) 3/5
A) 1/5
D) 4/5
38
121. Bias in data collection means:
C) Systematic error
B) Fair survey
A) Correct sampling
D) Large sample
39
31. In a box of 5 red and 5 green balls, probability of picking a green one?
A) 0
C) 1
B) 1/2
D) 2
40
19. If two coins are tossed, what is the probability of getting at least one head?
C) 3/4
B) 1/2
D) 1
A) 1/4
41
What is the total number of outcomes when rolling a fair six-sided die?
C) 6
B) 5
D) 12
A) 3
42
191. Quartiles divide data into:
A) 2
B) 3
C) 4
D) 5
43
46. Rolling two dice, probability of getting sum = 2?
A) 1/6
B) 1/12
C) 1/36
D) 1/18
44
66. If two coins are flipped, how many outcomes are possible?
D) 6
C) 4
B) 3
A) 2
45
113. Which of the following is not categorical?
D) Eye color
A) Country
C) Age
B) Gender
46
34. Two dice are rolled. What is the total number of outcomes?
D) 18
B) 12
A) 6
C) 36
47
67. Probability of an impossible event is:
A) 1
D) Unknown
B) 0
C) 0.5
48
154. How do you create an empty list?
B) []
D) empty()
C) ()
A) {}
49
143. What is the result of 2 * 3 + 1?
A) 7
D) 9
B) 8
C) 6
50
53. If a coin is flipped 5 times, how many outcomes?
D) 32
C) 16
A) 5
B) 10
51
197. The standard deviation is a measure of:
A) Center
B) Spread
C) Frequency
D) Skewness
52
50. If P(A) = 0.4, P(B) = 0.5, A and B independent, P(A and B) = ?
A) 0.2
C) 0.1
B) 0.9
D) 0.2
53
138. What is the correct way to create a variable in Python?
D) x := 5
B) int x = 5
A) let x = 5
C) x = 5
54
195. The average of squared deviations is:
C) Range
B) Variance
D) Mode
A) Standard deviation
55
18. Probability of the union of two mutually exclusive events A and B is:
D) 1 - P(A)
C) P(A) - P(B)
B) P(A) + P(B)
A) P(A) × P(B)
56
6. A coin is tossed twice. How many total outcomes are there?
C) 4
A) 2
B) 3
D) 6
57
36. A bag has 4 red, 6 blue, and 10 green marbles. P(red) = ?
C) 2/3
A) 4/20
B) 1/5
D) 1/2
58
108. Which graph best shows change over time?
A) Bar graph
B) Line graph
D) Dot plot
C) Pie chart
59
22. Probability of the union of two mutually exclusive events A and B is:
A) P(A) × P(B)
D) 1 -
C) P(A) - P(B)
B) P(A) + P(B)
60
130. Quartiles divide data into:
D) 10 parts
B) 4 parts
A) 2 parts
C) 5 parts
61
73. Rolling two dice, what is the probability of getting a sum of 2?
B) 1/12
C) 1/36
D) 1/18
A) 1/6
62
172. What will print(5 in [1, 2, 3, 4, 5]) return?
B) True
C) 5
A) False
D) Error
63
28. Probability of drawing an ace from a deck?
D) Both A and B
B) 4/52
C) 1/4
A) 1/13
64
184. Data that can be counted is called:
C) Nominal
B) Discrete
D) Qualitative
A) Continuous
65
147. Which operator is used for exponentiation?
B) **
D) //
A) ^
C) %
66
132. Which graph shows the frequency of individual data points?
D) Histogram
B) Dot plot
A) Line graph
C) Pie chart
67
38. Which of these pairs are independent events?
A) Drawing two cards without replacement
B) Tossing a coin and rolling a die
C) Rolling two dice and summing
D) Drawing a card and not putting it back
68
24. A card is drawn from a standard deck. Probability it is a King?
A) 1/4
C) 1/52
D) 4/13
B) 1/13
69
155. What is a correct boolean value in Python?
B) Yes
D) 1
A) TRUE
C) True
70
186. The difference between highest and lowest values is:
D) Frequency
B) Mode
C) Range
A) Mean
71
105. A symmetric distribution has:
C) No center
A) Left tail
D) Mirror image sides
B) Right tail
72
144. What will print(10 // 3) output?
B) 3
C) 4 D) 0
A) 3.33
C) 4 D) 0
73
87. A pie chart is best used for:
A) Showing trends
D) Showing frequency
C) Showing proportions
B) Comparing totals
74
140. What is the result of print(10 / 2)?
D) 2
B) 5.0
A) 5
C) 0.5
75
91. What does a histogram show?
A) Categorical data
B) Proportions
C) Numerical data distribution
D) Random guesses
76
173. What is str(10)?
C) Error
D) None
A) '10'
B) 10
77
99. What is the mode of 1, 2, 2, 3, 4, 4?
D) 1
C) 2 and 4
B) 4
A) 2
78
141. Which of these is a string in Python?
C) 123
D) True
B) Hello
A) "Hello"
79
49. Tossing a die, P(number > 4)?
C) 3/6
D) 5/6
A) 1/6
B) 2/6
80
194. A graph that uses quartiles is a:
C) Bar graph
D) Dot plot
B) Box plot
A) Histogram
81
35. A standard deck has how many spades?
A) 13
B) 12
C) 14
D) 10
82
145. Which of the following is a valid list in Python?
A) {1, 2, 3}
D) <1, 2, 3>
B) [1, 2, 3]
C) (1, 2, 3)
83
175. What will print('Python'[0]) output?
A) P
D) n
C) 0
B) y
84
150. How do you start an if-statement in Python?
B) if (x == y) then
A) if x == y:
C) if x = y then
D) if x equals y
85
58. Rolling a die, P(odd number)?
D) 5/6
C) 4/6
B) 3/6
A) 2/6
86
89. The term "mean" refers to:
B) Most frequent value
A) Middle value
C) Average
D) Highest value
87
136. What is the output of print(3 + 4)?
D) Error
A) 34
B) 7
C) 4
88
163. What will print(4 != 5) output?
C) Error
D) 0
A) False
B) True
89
32. If P(A) = 0.3 and P(B) = 0.4 and A, B are mutually exclusive, then P(A or B) = ?
A) 0.12
D) 1.2
C) 0.1
B) 0.7
90
62. What is the sum of all probabilities in a sample space?
D) 100
B) 1
A) 0.5
C) 2
91
98. Range of 14, 7, 9, 3, 10?
A) 11
D) 7
B) 10
C) 9
92
10. A number is randomly chosen from 1 to 10. What is the probability that it's greater than 7?
B) 1/2
D) 7/10
A) 1/5
C) 2/3
93
164. What is the result of 5 == '5'?
A) True
D) 5
B) False
C) Error
94
158. Which is a valid loop structure in Python?
D) loop i < 10
A) for i to 10
C) repeat until
B) while i < 10
95
120. What is a histogram?
B) Line graph for numbers
A) Bar graph for categories
C) Bar graph for numerical ranges
D) Circle graph
96
110. What is a variable?
C) Always numeric
D) Always qualitative
B) A changing data point
A) Fixed value
97
20. A card is drawn from a standard deck. Probability it is a King?
B) 1/13
A) 1/4
D) 4/13
C) 1/52
98
166. What will print(3 > 2 and 2 > 1) return?
D) None
B) False
C) Error
A) True
99
189. Which is a continuous variable?
C) Height
B) Eye color
A) Number of books
D) Shoe size
100
13. A coin is tossed. What is the probability of getting tails?
C) 1/2
B) 0
A) 1
D) 1/3
101
17. What is the probability of drawing a heart from a standard deck?
A) 1/4
C) 1/3
D) 1/2
B) 1/13
102
160. What is the output of print('2' + '3')?
A) 5
C) 23
D) Error
B) 6
103
112. Data that can be counted is called:
D) Biased
B) Discrete
A) Continuous
C) Random
104
88. The sum of relative frequencies is always:
A) 10
D) Depends on data
B) 100
C) 1
105
125. Which of the following is ordinal data?
A) Temperature in °C
D) Weight
C) Age
B) Rankings (1st, 2nd, 3rd)
106
79. Which measure is most affected by an outlier?
A) Mode
D) Range
C) Mean
B) Median
107
83. What is a population in statistics?
A) All possible data points
B) A sample
D) Only odd values
C) Only even values
108
111. Which type of data is “number of books”?
A) Categorical
B) Quantitative
C) Nominal
D) Ordinal
109
21. What is the probability of drawing a heart from a standard deck?
C) 1/3
A) 1/4
D) 1/2
B) 1/13
110
92. What is a common measure of spread?
C) Range
A) Mean
B) Mode
D) Frequency
111
71. P(A) = 0.3, P(B) = 0.4, if A and B are mutually exclusive, P(A or B) = ?
A) 0.7
B) 0.12
D) 1.2
C) 0.1
112
101. Which is a measure of variability?
A) Median
D) Mean
B) Mode
C) Range
113
177. The most frequently occurring value is called:
C) Mode
D) Range
B) Median
A) Mean
114
170. What is the output of print('hello'.upper())?
C) Hello
D) Error
A) HELLO
B) hello
115
47. If P(A) = 0.7, what is P(not A)?
B) 0.3
A) 0.7
D) 1
C) 1.7
116
149. What does print('A' * 3) output?
A) AAA
B) A3
D) 3A
C) Error
117
131. What is the interquartile range (IQR)?
A) Q3 - Q1
C) Max - Min
B) Q1 + Q3
D) Median - Mean
118
26. How many even numbers are on a die?
B) 3
D) 5
A) 2
C) 4
119
157. What will print(bool(0)) output?
D) Error
B) False
A) True
C) 0
120
102. What is an outlier?
B) Value far from others
C) The smallest value
A) Average value
D) Always the mode
121
118. A graph that uses parts of a circle is:
C) Bar graph
B) Pie chart
A) Line graph
D) Histogram
122
162. Which of these defines a dictionary?
D) {1, 2, 3}
A) [1: 'a', 2: 'b']
C) (1, 2)
B) {'a': 1, 'b': 2}
123
100. Which measure is NOT used to describe center?
C) Mode
B) Median
A) Mean
D) Range
124
107. The median of: 5, 15, 25 is:
C) 25
A) 10
D) 5
B) 15
125
171. Which method removes the last item from a list?
C) remove()
A) delete()
B) pop()
D) cut()
126
199. If a data set has two modes, it is:
C) Trimodal
B) Bimodal
A) Unimodal
D) Multimodal
127
148. Which of these is used to get user input?
D) readline()
A) scanf()
C) gets()
B) input()
128
134. If data is skewed right, mean is:
B) Equal to median
D) Negative
C) Greater than median
A) Less than median
129
82. A survey is an example of:
B) Experiment
C) Data collection
A) Population
D) Sampling error
130
59. Which of the following is not possible?
D) Probability = 0.8
C) Probability = -0.1
B) Probability = 1
A) Probability = 0
131
64. Which value cannot be a probability?
A) 0.3
D) 1
C) 0
B) 1.2
132
23. If two coins are tossed, what is the probability of getting at least one head?
C) 3/4
B) 1/2
A) 1/4
D) 1
133
75. What does "equally likely" mean in probability?
A) All outcomes have same chance
C) Opposite outcom
D) Random guess
B) Events happen together
134
48. A card is drawn. P(club or spade)?
A) 13/52
B) 26/52
D) Both B and C
C) 1/2
135
40. If two events are independent, P(A and B) = ?
D) 1 - P(A)
C) P(A) × P(B)
B) P(A) - P(B)
A) P(A) + P(B)
136
29. How many face cards are in a deck?
D) 10
A) 12
C) 16
B) 13
137
8. Which of the following cannot be a probability?
D) 1
A) 0.5
B) 1.1
C) 0
138
198. If data is symmetric, then:
B) Mean > Median
A) Mean = Median
C) Mean < Median
D) No relation
139
45. A box has 3 red and 7 blue balls. P(blue) = ?
A) 3/10
C) 1/2
B) 7/10
D) 10/7
140
200. What is the best graph for continuous data distribution?
C) Bar chart
B) Histogram
D) Line graph
A) Pie chart
141
63. A number is chosen at random from 1 to 5. What is P(odd)?
A) 2/5
B) 1/5
C) 3/5
D) 4/5
142
122. What is an example of continuous data?
D) TV brands
B) Shoe sizes
A) Number of children
C) Height
143
41. If a number is chosen from 1–100, probability it's divisible by 10?
D) 10/100
C) 1/2
A) 1/10
B) 1/5
144
25. Probability of getting an odd number on a die?
D) 5/6
B) 1/2
C) 2/3
A) 1/6
145
97. Mean of 6, 8, 10, 12, 14?
B) 8
C) 12
D) 6
A) 10
146
7. The probability of a certain event is:
C) 1
A) 0
B) 0.5
D) Cannot be determined
147
81. Which type of graph shows data using bars?
B) Line graph
A) Pie chart
C) Bar graph
D) Histogram
148
16. An event with a probability of 1 will:
D) depend on chance
B) sometimes happen
A) never happen
C) always happen
149
139. What symbol is used for comments in Python?
C) #
B) <!--
D) /*
A) //
150
117. What is a census?
A) Survey of few
B) Sample
C) Entire population ✔
D) Random event
151
176. What is the mean of 2, 4, 6, 8, 10?
C) 7
B) 6
D) 4
A) 5
152
11. Which of these is a valid probability?
D) 2
B) 1.5
C) 0.6
A) -0.3
153
70. What is the probability of getting an even number when rolling a die?
A) 2/6
B) 1/2
C) 4/6
D) 1/3
154
72. The probability of a certain event is:
C) 0.5
A) 0
D) Unknown
B) 1
155
86. Which of the following is quantitative data?
D) Country
B) Favorite color
A) Car brands
C) Weight
156
44. In a class of 20 students, one is chosen at random. Probability of picking any one student?
C) 1/20
D) 0
B) 1/10
A) 1
157
93. What is a uniform distribution?
C) All outcomes equally likely
D) Constant slope
A) Skewed left
B) Bell-shaped
158
182. A bar chart is used to show:
D) Random data
C) Continuous data
B) Categorical data
A) Quantitative data
159
37. A coin is tossed 3 times. P(all heads) = ?
C) 1/8
D) 3/8
B) 1/6
A) 1/4
160
27. Which of the following events is certain?
B) Getting a number less than 7 on a standard die
D) Drawing a joker from a standard deck
A) Rolling a 1 on a 10-sided die
C) Tossing two heads in one coin flip
161
39. In probability, the word "or" usually refers to:
C) Subtraction
B) Multiplication
D) Division
A) Addition
162
168. What will print(9 % 2) output?
C) 2
A) 0
B) 1
D) 9
163
167. Which of these is a tuple?
A) (1, 2, 3)
B) [1, 2, 3]
D) <1, 2, 3>
C) {1, 2, 3}
164
106. What’s another name for average?
A) Mode
B) Median
D) Range
C) Mean
165
159. What does int('5') return?
C) Error
D) float
A) '5'
B) 5
166
196. What type of variable is ranking (1st, 2nd)?
A) Nominal
C) Ratio
B) Ordinal
D) Interval
167
68. What is the probability of drawing a red card from a standard deck?
B) 1/2
A) 1/4
D) 3/4
C) 1/3
168
165. What is type([1, 2, 3])?
B) dict
D) array
C) tuple
A) list
169
109. A survey of 100 people is a:
A) Sample
C) Statistic
D) Variable
B) Population
170
192. The 50th percentile is also known as:
D) Range
A) Q1
C) Median
B) Q3
171
151. What is the result of len([1, 2, 3, 4])?
B) 4
C) 5
A) 3
D) Error
172
188. Data measured on a scale is called:
B) Ordinal
D) Categorical
A) Nominal
C) Interval
173
126. The center of a box plot is the:
A) Mean
C) Median
B) Range
D) Outlier
174
103. Median of: 3, 4, 5, 6, 7, 8, 9, 10?
D) 6
C) 5
B) 7
A) 6.5
175
183. A histogram shows:
D) Pie chart values
B) Discrete data
A) Categorical data
C) Frequency of numerical data
176
156. Which function gives the maximum value in a list?
B) high()
D) maximum()
A) max()
C) maxvalue()
177
85. Which type of data is qualitative?
A) Age
C) Eye color
B) Height
D) Temperature
178
56. P(A) = 0.25. P(not A) = ?
C) 0.5
D) 1
B) 0.25
A) 0.75
179
74. Which of these are complementary events?
A) Drawing red and drawing queen
B) Drawing king and not king
C) Getting even and getting odd on dice
D) Drawing heart and club
180
135. When all values are the same, mean = median = mode?
A) True
D) Never
B) False
C) Depends
181
161. What is None in Python?
A) False
B) An empty string
D) Zero
C) A null value
182
115. What is 75th percentile also called?
B) Median
C) Third quartile
D) Minimum
A) First quartile
183
153. What does range(3) generate?
D) 3 values starting from 1
A) 1, 2, 3
C) 0, 1, 2, 3
B) 0, 1, 2
184
193. What is IQR?
B) Q3 - Q1
A) Q1 + Q3
D) Mean - Median
C) Max - Min
185
54. Probability of drawing a non-face card?
C) 13/52
A) 40/52
B) 12/52
D) 1/4
186
61. What is the probability of flipping heads on a fair coin?
D) 2
A) 0
B) 1
C) 0.5
187
55. Two coins tossed. Probability of exactly one head?
D) 1
C) 3/4
A) 1/4
B) 2/4
188
169. What does break do in a loop?
A) Continues to next iteration
B) Stops the loop
D) Skips the loo
C) Restarts the loop
189
178. The middle number in a data set is the:
B) Mode
D) Range
A) Mean
C) Median
190
15. If P(A) = 0.6, what is P(not A)?
C) 1.6
D) 1
A) 0.4
B) 0.6
191
129. Data with two peaks is called:
A) Unimodal
D) Normal
B) Bimodal
C) Skewed
192
77. What is the mode of the data set: 2, 3, 3, 4, 5?
B) 3
D) 5
C) 4
A) 2
193
76. What is the average of 5, 10, and 15?
A) 10
D) 30
B) 15
C) 5
194
33. An event that cannot happen is called:
C) Impossible
B) Certain
D) Complement
A) Independent
195
42. If a die is rolled, what is the probability of not getting a 3?
A) 5/6
D) 2/3
C) 1/2
B) 1/6
196
43. The complement of "event A" means:
C) Event A does not happen
A) Event A happens
B) Event A repeats
D) Event A alway
197
133. What is the minimum value in 5-number summary?
D) Q1
C) The median
B) The largest
A) The smallest
198
123. Which term refers to data "most often occurring"?
D) Outlier
C) Mode
A) Mean
B) Median
199
127. A table showing tally marks is a:
D) Survey
C) Chart
A) Graph
B) Frequency table
200
142. What is the output of print(type('123'))?
D) int
A) <class 'int'>
C) string
B) <class 'str'>