AP Statistics Box Plots

The box plot shows the scores, in percent, of the students in Mr. Truitt's 2nd period class. What does 79.5 represent in the box plot?

• minimum/lower extreme

• median

• mean

• maximum/lower extreme

The box plot shows the scores, in percent, of the students in Mr. Truitt's 2nd period class. What is the range of heights (in inches)?

• 38

• 40

• 29

• 20

The box plot shows the scores, in percent, of the students in Mr. Truitt's 2nd period class. What does 70.5 represent in the box plot?

• lower extreme/minimum

• first quartile

• median

• third quartile

• upper extreme/maximum

Match the numbers to where they are on the box plot

• Median

• 64

• Lower Quartile

• 60

• Maximum

• 62

• Minimum

• 58

• Upper Quartile

• 66

What value is the lower quartile?

• 66

• 58

• 60

• 64

Which data set shows a greater spread?

• Chess Club

• Checkers Club

• They have the same spread.

• You cannot tell from the box plots.

Which statement is true about the double box-and-whisker plot?

• The test scores in your friend's class are more spread out than the test scores in your class.

• Half of the test scores in your class are between 85 and 100.

• 25% of the test scores in your friend's class are 80 or above.

• The medians are the same for both classes.

Which club has the smaller spread?

• Cruisers

• Car Hops

What percentage of the data is between 40 and 90?

• 25 %

• 50%

• 75%

• 100%

What is the first quartile of the data represented by the given box plot?

• 7

• 9

• 11

• 13

• 15

Answer explanation

The first quartile value of the data represented by the box plot is 9.