Summarizing Data Sets with Statistics

Question 1

Which statements are true about statistics? Check all that apply.

Revolt · Accepted Answer

A: They help describe sets of data.; B: They include the mean, median, range, and interquartile range.; D: Measures of center and measures of spread are examples of statistics.

Question 2

Which data set has two values for the mode?

Revolt · Accepted Answer

D: 21, 22, 22, 24, 25, 26, 28, 28

Question 3

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

Revolt · Accepted Answer

: Plot 1; : Plot 1; : Plot 2; : Plot 2

Question 4

Choose each correct measure.Mean = 22.5✔ 3.54

Revolt · Accepted Answer

C: ✔ 3.5

Question 5

Which measure of central tendency should the librarian use?

Revolt · Accepted Answer

C: either the mean or median since they are the same

Question 6

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

Revolt · Accepted Answer

A: The measures of center are the same.; C: There is little variability in the data.; D: The average temperature is 98.; E: The data is clustered around the mean.

Question 7

Using statistics, answer the question below:Which city had the highest variability in temperatures? Salem✔ OxfordBoth had the same variability.

Revolt · Accepted Answer

B: ✔ Oxford

Question 8

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

Revolt · Accepted Answer

D: ✔ 6

Question 9

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

Revolt · Accepted Answer

A: CDs have a higher mean than digital.; B: The range of digital is 800.; D: Both have the same interquartile range.; F: Digital’s mean is around 467.

Question 10

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

Revolt · Accepted Answer

A: ✔ Plot 1

Summarizing Data Sets with Statistics Answers

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