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Probability & Statistics Review Flashcards | StudBud
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Probability & Statistics Review
Probability & Statistics Review
23 terms
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Probability and Statistics practice #proabbility #statistics #5thgrade #practicetest
Flashcards
23 cards
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Questions
23
Answers
1
You want to find the measure of variation...
median
mode
mean
range
2
A box contains 8 purple balls, 15 red balls and 13 green balls. Find Pr(red ball). [simplified]
15/36
4/12
12/36
5/12
3
The weights of boxes packed for shipping are shown in the stem-and-leaf plot below.
8
3
7
1
4
Corey recorded his golf scores each week for a month. His scores for three games are shown.
The mean and the median both increased.
The mean and the median both decreased.
The mean decreased and the median remained the same.
The median decreased and the mean remained the same.
5
The table below shows data collected from a daycare. Measure of variation = range
8
9
10
6
6
The possible outcomes of flipping two coins are shown below.
3/4
1/4
2/4
2/3
7
Use the graphic below.
D
C
B
A
8
Students were surveyed to see if they had a cat, dog, both or none. How many stuents have cats?
10
8
16
6
9
Sally recorded her daily grades for one grading period.
91
90
92
88
10
what is the probability that the combination Jody chooses will include crackers?
4/4
2/4
1/8
2/8
11
Use the graphic below.
25
15
78
76
12
Which of the following would you use to calculate the "average"...
mean
mode
range
median
13
Tommy and Jeremy are pitchers for the baseball team and are being evaluated by the coach.
Tommy has a lower mean speed.
Tommy has a greater range of speeds.
Tommy has a lower median speed.
Jeremy’s median speed is higher than Tommy’s mean speed.
14
John keeps track of the number of points he scores in each of his basketball games.
1
3
4
2
15
Claudia records the number of emails she receives each week.
mean = 26, median = 29, mode = 23
mean = 26, median = 26.5, mode = 23, 31
mean = 27, median = 26.5, mode = 31
mean = 27, median = 29, mode = 23, 31
16
The amount of money Alice earned for five weeks is shown.
The mean increased and the median remained the same.
The mean and the median both remained the same.
The median increased and the mean remained the same.
The mean and the median both increased.
17
What is the probability of selecting a vowel from the word EDUCATION?
4/9
2/9
5/9
1
18
Which is a measure of center?
median
all of the above
mean
mode
19
Which is the best prediction of the number of cars that will be sold during August?
125
150
75
100
20
What is the median of the following list of numbers? 33, 21, 42, 19, 42, 12
30
26
27
42
21
Based on the stem-and-leaf plot, what was the lowest score on the math test?
68
87
96
62
22
You want to calculate the measure of center to find the most frequent number...
mean
median
mode
range
23
Determine the missing numbers in the following frequency table.
a = 15, b = 4, c = 15, d = 40, e = 50
a = 14, b = 2, c = 20, d = 40, e = 50
a = 15, b = 2, c = 30, d = 40, e = 100
a = 16, b = 3, c = 20, d = 30, e = 100
