Summarizing Data Sets with Statistics Answers

19 verified answers
1
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Which statements are true about statistics? Check all that apply.

A
They help describe sets of data.
B
They include the mean, median, range, and interquartile range.
C
They include only mean and median.
D
Measures of center and measures of spread are examples of statistics.
E
They can work only with one set of data.
2
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Which data set has two values for the mode?

A
2, 2, 2, 5, 6, 7, 9, 10
B
5, 6, 8,10, 11, 11, 15, 18
C
12, 12, 13, 13, 14, 14, 15, 15
D
21, 22, 22, 24, 25, 26, 28, 28
3

The bar graph shows the number of games a soccer team played each month. Use the data to find each measure.

Answers:
Selection 1:Plot 1
Selection 2:Plot 1
Selection 3:Plot 2
Selection 4:Plot 2
4

Choose each correct measure.Mean = 22.5✔ 3.54

Answers:
Selection 1:3.5
Selection 2:3.5
Selection 3:6
Selection 4:1
5

Median =2✔ 3.544.5

A
2
B
✔ 3.5
C
4
D
4.5
6

Range = 134✔ 6

A
1
B
3
C
4
D
✔ 6
8

Which measure of central tendency should the librarian use?

A
the mean
B
the median
C
either the mean or median since they are the same
D
neither the mean nor median because there is too much variability
9

What conclusions can be drawn from the data set? Check all that apply.

A
The measures of center are the same.
B
The interquartile range is 4.
C
There is little variability in the data.
D
The average temperature is 98.
E
The data is clustered around the mean.
11

The bar graph shows the number of games a soccer team played each month. Use the data to find each measure.

Answers:
The bar graph shows the number of games a soccer team played each month. Use the data to find each measure.:6
The bar graph shows the number of games a soccer team played each month. Use the data to find each measure.:5
The bar graph shows the number of games a soccer team played each month. Use the data to find each measure.:3.5
The bar graph shows the number of games a soccer team played each month. Use the data to find each measure.:The values are clustered around the median.
12

Range = 2✔ 579

A
2
B
✔ 5
C
7
D
9
14

Which is true of this data? ✔ The values are clustered around the median.The values are spread out.The data shows a lot of variability.The data shows a large spread

A
✔ The values are clustered around the median.
B
The values are spread out.
C
The data shows a lot of variability.
D
The data shows a large spread
15

Which of these statements is true? Check all that apply.

A
CDs have a higher mean than digital.
B
The range of digital is 800.
C
The median of CDs is 400.
D
Both have the same interquartile range.
E
Both have the same median.
F
Digital’s mean is around 467.
16

Highest mean: ✔ Plot 1Plot 2Each has the same mean.

Answers:
Selection 1:Plot 1
Selection 2:Plot 1
Selection 3:Plot 2
Selection 4:Plot 2
17

Highest median: ✔ Plot 1Plot 2Each has the same median.

A
✔ Plot 1
B
Plot 2
C
Each has the same median.
18

Highest range: Plot 1✔ Plot 2Each has the same range.

A
Plot 1
B
✔ Plot 2
C
Each has the same range.

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