Quiz 6.1

According to the box-and-whisker plot shown, what score represents the lower quartile?

• 75

• 70

• 85

• 77

Which statement is NOT true about the box and whisker plot shown?

• 75 represents the mean score

• 100 represents the maximum score

• 85 represents the upper quartile

• 55 represents the minimum score

A score of 75 on the box and whisker plot shown refers to

• the maximum score

• the minimum score

• the mean score

• the median score

What is the median of the following data?

20, 25, 24, 17, 18, 19, 21, 27

• 17.5

• 20.5

• 18.5

• 24.5

What is the total number of students in the class?

• 16

• 15

• 209

• 5

Which of the following sets of data values could represent the box and whisker plot below?

• 3, 10, 11, 13, 21

• 3, 6, 9, 12, 15, 18, 21

• 3, 9, 10, 12, 16, 18, 21

• 3, 9, 10, 11, 13, 15, 18, 21

The median of any set of data always represents the

• upper quartile

• 50th percentile

• mean of the data

• lower quartile

According to the frequency table below, how many students failed the test?

• 4

• 7

• 5

• 13

What is the mode, median, and range of the dot plot?

• 7, 5, 9

• 9, 4.5, 8

• 7 and 9, 4.5, 9

• 2, 4, 9

What is the interquartile range of the dot plot?

• 5

• 4

• 9

• 2