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Basic Statistics
Basic Statistics
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statistics terms, mean, median and mode, range, MAD and sd
Flashcards
30 cards
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Questions
30
Answers
1
Find the standard deviation of the following data.
1.38
1.48
1.28
1.42
2
Discrete or continuous: classes in a day
Discrete
Neither
Continuous
3
The science of statistics includes which of the following:
Interpreting data
Presenting data
All of the above
Organizing data
4
The ratio scale of measurement
Usually involves ranking
Is usually based on counting
Cannot assume negative values
Has a meaningful zero point
5
What is qualitative data?
Numerical information.
Weather updates.
Descriptive information
Your math models grade.
6
Age is classified as
Nominal data
Ratio data
Ordinal data
Interval data
7
What was the least popular sport amount students?
Basketball
Badminton
Soccer
Tennis
8
The number which appears most often in a set of numbers.
Mode
Range
Median
standard deviation
9
Which of the following is an example of a discrete value of data?
Number of siblings
Length of a worm
Weight of a horse
Speed of a car
10
Find the
range
for the following list of values: 13, 18, 13, 14, 13, 16, 14, 21, 13.
18
8
13
10
11
Discrete or continuous: speed of a bicycle
Discrete
Continuous
12
What are statistics?
The study of data
The study of math
The study of numbers
The study of probability
13
The sum of values divided by their number is called
Median
Mean
Range
Mode
14
The frequency table shows the heights of 50 female students. Compute for the mean of this data.
163.23
16.23
136.23
162.32
15
A nominal scale variable is
Usually the result of counting something
May assume negative values
Cannot have more than two categories
Has a meaningful zero point
16
A qualitative variable
All of the above are correct
Is not numeric
Always refers to a sample
Has only two possible outcomes
17
A list of 5 pulse rates is: 70, 64, 80, 74, 92. What is the median for this list?
74
76
77
80
18
Which of the following statements is true regarding a sample?
It refers to descriptive statistics
It must contain at least five observations
All of the above are correct
It is a part of population
19
How many students have birthdays in February or March?
4
5
6
2
20
Name that graph.
Pictograph
Pie Graph
Line Graph
Bar Graph
21
Between which two days of the week does potato consumption go down?
Monday to Tuesday
Friday to Saturday
Wednesday to Thursday
22
Which of the following is an example of a continuous value of data?
Height of a tree
Students in a class
Ice cream flavors
page numbers in a book
23
The figure shows the # of cookies that Kay sold each week.How many weeks did she sell cookies?
The stem and leaf plot does not say.
87
12
4
24
Gender is categorized as
Nominal data
Ordinal data
Interval data
Ratio data
25
Which of the following definitions is the definition of the MODE?
The MODE is the value that has the highest frequency.
The MODE is the largest value.
26
Which month is the least popular for student birthdays?
August
January
Spring
March
27
Basketball and soccer make up about what percent of the circle graph?
About 50%
About 75%
About 25%
28
About how many customers had to wait 4-5 minutes for a representative?
About 26
About 8
About 33
About 3
29
About how many potatoes are consumed on Tuesday?
25 kilos
15 kilos
30 kilos
20 kilos
30
The mean of 10 numbers is 9, then sum of these numbers will be
0.9
90
9
70
