Ch 10 Review

What is the five-number summary for the data set representing the ages of a group of people at a family reunion: 3, 7, 9, 15, 22, 25, 30, 35?

• 3, 9, 18.5, 25, 35

• 3, 8, 17.5, 27.5, 35

• 3, 8, 18.5, 27.5, 35

• 3, 9, 18, 25, 30

What is the range of the data set representing the ages of a group of people at a family reunion: 3, 7, 9, 15, 22, 25, 30, 35?

• 22

• 32

• 25

• 35

What is the Interquartile Range (IQR) of the ages at a family reunion with ages 3, 7, 9, 15, 22, 25, 30, 35?

• A. 19.5

• B. 19

• C. 23

• D. 18.5

Based on the survey, what percentage of students play a musical instrument?

• A. 30%

• B. 50%

• C. 40%

• D. 60%

What is the probability that a student does not play sports, given the survey results?

• 25%

• 50%

• 45%

• 55%

What is the probability that a student either plays sports or does not play an instrument?

• 90%

• 65%

• 80%

• 85%

P(plays sports and plays an instrument)

• 30%

• 40%

• 25%

• 35%

P(does not work remotely)

• 74%

• 40%

• 24%

• 25%

P(works weekends)

• A. 40%

• B. 60%

• C. 62.5%

• D. 16%

P(works weekends or works remotely)

• A. 50%

• B. 90%

• C. 40%

• D. 26%