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Worksheets7th Grade Statistics Review
Total questions: 25
Worksheet time: 37mins
Name
Class
Date
1.
What is a the meaning for "median"?
a)
fair share
b)
middle
c)
repeats the most
d)
variation
2.
What is the mode in this set of numbers:
7, 14, 20, 3, 7, 14, 2, 14, 7
7, 14, 20, 3, 7, 14, 2, 14, 7
a)
7
b)
20
c)
7 & 14
d)
none of the above
3.
Find the mean.
90, 100, 95, 85, 60, 80
90, 100, 95, 85, 60, 80
a)
85
b)
84
c)
86
d)
90
4.
The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below:
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?
a)
5
b)
6
c)
9
d)
11
5.
What is the range?
a)
average
b)
biggest-smallest
c)
the middle #
d)
# happening the most
6.
Which number is not the mean, median, mode, or range of the data set 4, 3, 15, 11, 3, 8, 7, 5?
a)
3
b)
6
c)
12
d)
11
7.
What is the mode of the dot plot?
a)
8
b)
9
c)
1
d)
2
8.
What is the range of the dot plot?
a)
9
b)
5
c)
4
d)
6
9.
Which class did better on the Algebra test?
a)
Class 1
b)
Class 2
c)
Not enough information
d)
Can't tell
10.
Choose the correct data set for this box and whisker plot
a)
2, 11.5, 23.5
b)
2, 7.5, 8, 11.5, 12, 14.5, 23.5
c)
7.5, 11.5, 14.5
d)
11.5, 3.2, 1.1, 8.90
11.
Choose the correct data set for this box and whisker plot
a)
None of the below
b)
23, 90, 84, 100
c)
60, 82, 100
d)
60, 73, 82, 90, 100
12.
Carlos wants to know the favorite sport of people at his school so he asks his baseball team.
a)
Biased
b)
Unbiased
13.
A homeowner divides their backyard into 5 sections, and randomly removes soil from sections.
a)
Biased
b)
Unbiased
14.
A public library asked every 10th person who entered to name the type of book they were getting
a)
Biased
b)
Unbiased
15.
A hospital wants to open a gym. They ask the night-shift ER staff when they would use the gym.
a)
Biased
b)
Unbiased
16.
What is Mean Absolute Deviation?
a)
The mean of the data
b)
The absolute value of the mean
c)
The variation of data values around the mode
d)
The range distance between the data values and the mean
17.
Find the Mean Absolute Deviation: 10, 9, 3, 8, 10. The Mean is 8
a)
3
b)
5
c)
1
d)
2
18.
Find the Mean Absolute Deviation: 5, 11, 2, 7, 16. The Mean is 8.2
a)
3.2
b)
2.8
c)
1.2
d)
4.2
19.
What percent of the data is between 25 and 30 on the number line?
a)
25%
b)
`50%
c)
75%
d)
100%
20.
11. What percentage of the data is between 90 and 140?
a)
25 %
b)
50%
c)
75%
d)
100%
21.
What is the median?
a)
62
b)
58
c)
66
d)
60
22.
What is the interquartile range (IQR) of the data set?
a)
20
b)
25
c)
5
d)
10
23.
Which box and whisker plot has the highest median?
a)
Top plot
b)
Bottom plot
24.
Which city has a higher median?
a)
Millersburg
b)
Arcadia
25.
What percentage of the data is between 40 and 150?
a)
25 %
b)
50%
c)
75%
d)
100%
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