Chapter 6 Quiz Statistics

Ms. Long tracked the number and age of students that visited the library per month and recorded the data below. Where would the median fall?

• 9-11

• 12-14

• 15-17

• 18-20

What percent does each of the 4 sections contain on a box and whisker plot?

• 100%

• 75%

• 50%

• 25%

What is the minimum value?

• 64

• 58

• 66

• 61

What is the interquartile range (IQR)?

• 4

• 64

• 60

• 8

What is the interquartile range (IQR)?

• 4

• 64

• 60

• 8

Which best represents the Interquartile Range

• 15

• 93

• 85

• 78

• 15.87%

• 15.39%

• 9.68%

• 84.61%

• 99.04%

• 0.96%

• 98.93%

• 97.68%

Find the value for 
P(Z < -0.39)

• 0.3498

• 0.3483

• 0.3501

• 0.6502

Find the value for 
P(Z > 1.78)

• 0.0376

• 0.0375

• 0.0446

• 0.2420