Unit 3: Statistics Review

Jason saves a portion of his salary from his part-time job in the hope of buying a used car. He recorded the number of dollars he was able to save over the past 15 weeks:

19, 12, 9, 7, 17, 10, 6, 18, 9, 14, 19, 8, 5, 17, 9

Which box and whisker plot represents this data?

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Examine the box plot. What is the value of the third quartile?

• 2

• 4

• 7

• 11

Examine the box plot. What is the median score?

• 2

• 4

• 7

• 11

Examine the box plot. What percent of the values are less than 4?

• 25

• 50

• 75

• 100

Examine the box plot. What is the range of the data presented in the box plot?

• 2

• 7

• 10

• 12

A movie theater recorded the number of tickets sold daily for a popular vampire movie during the month of December. The box plot below shows the data for the number of tickets sold, in hundreds. Determine whether the following statement is TRUE or FALSE regarding this box plot.

25% of the data is between 300 and 400

• True

• False

A movie theater recorded the number of tickets sold daily for a popular vampire movie during the month of December. The box plot below shows the data for the number of tickets sold, in hundreds. Determine whether the following statement is TRUE or FALSE regarding this box plot.

The second quartile is 600.

• True

• False

A movie theater recorded the number of tickets sold daily for a popular vampire movie during the month of December. The box plot below shows the data for the number of tickets sold, in hundreds. Determine whether the following statement is TRUE or FALSE regarding this box plot.

The median is 400.

• True

• False

A movie theater recorded the number of tickets sold daily for a popular vampire movie during the month of December. The box plot below shows the data for the number of tickets sold, in hundreds. Determine whether the following statement is TRUE or FALSE regarding this box plot.

The first quartile is 300.

• True

• False

A movie theater recorded the number of tickets sold daily for a popular vampire movie during the month of December. The box plot below shows the data for the number of tickets sold, in hundreds. Determine whether the following statement is TRUE or FALSE regarding this box plot.

The range is 300.

• True

• False