Stats: Dot Plots Part 2 (Study Guide)

Consider this data set. 18, 11, 4, 9, 2, 3, 5 Which box plot displays the data shown?

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A group of 15 students were assigned a novel to read during class. The data below represents the number of pages each student read:

8, 8, 10, 11, 12, 12, 13, 14, 16, 16, 18, 18, 18, 20, 24.

Which of the following box plots correctly summarizes the data?

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The box plot represents the ages of gymnasts on an Olympic team.

Which statement BEST interprets the data shown on the box plot?

• Three-quarters of the gymnasts are between the ages of 24 and 27.

• One-half of the gymnasts are between the ages of 22 and 27.

• One-quarter of the gymnasts are between the ages of 16 and 20.

• Three-quarters of the gymnasts are between the ages of 21 and 24.

Pablo and his classmates are collecting aluminum cans to be recycled. The box plot shows the data for the number of cans collected by each student.

Which of the following statements MUST be true?

• The median of the data values is 16.

• The range of the data values is the difference between 22 and 10.

• The mean of the data values is 18.

• The interquartile range of the data values is the difference between 20 and 18.

The following box plot represents the test percentage scores of Mrs. Bin’s sixth-grade class.

Which of the following statements, based on the box plot, is true?

• The median of the scores in Mrs. Bin’s sixth-grade class is 60%.

• The lowest score on Mrs. Bin’s test was about 45%.

• The highest score on Mrs. Bin’s test was 80%.

• The interquartile range of the data is 60.

Six students were asked to list their math quiz scores. Their responses are listed above.

Which of the following students had a median quiz score of 80?

• Carla

• Daridjan

• Edna

• Fran

The quarter-mile times in seconds of 9 runners are listed below. 64, 54, 57, 62, 67, 60, 56, 62, 66 What is the interquartile range of the data?

• 5

• 6.1

• 8.5

• 13

Lara researched the monthly average temperatures for her town.

What is the interquartile range of the data in the table?

• 31.5°F

• 35.0°F

• 32.5°F

• 18.5°F

Mark drew flowers in art class. He counted and recorded the number of petals on each of the flowers as shown:

2, 2, 3, 3, 4, 5, 5, 6, 9, 11, 11, 13, 16, 18.

Which of the following box plots represents the data?

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Temperatures on June 13 from 1998-2003 are shown in the table above.

Find the median temperature.

• 89

• 88.5

• 88.3

• 88