STAAR Data Analysis

The list shows the growth in centimeters of 12 plants during one week.

6, 7, 7, 8, 8, 8, 9, 9, 10, 11, 11, 14

Which box plot best displays a summary of these data?

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The line plot shows the number of pounds of fish eaten by each dolphin at a zoo.

Which stem and leaf plot best represents the data in the line plot?

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The dot plot shows the number of touchdowns a Jaden scored in 10 games last season.

Which statement best describes the data shown in the dot plot?

• The peak of the data is at 5.

• The data are clustered form 0 to 2.

• The data distribution has no gaps.

• The data distribution is symmetrical.

The dot plot shows the lengths of the 12 trailers sold at a store last month.

Which statement about the data is true?

• The interquartile range is 7, and the range is 17.

• The interquartile range is 7, and the range is 11.

• The interquartile range is 2.75, and the range is 17.

• The interquartile range is 2.75, and the range is 11.

Steve recorded the prices of watches at a store. The prices are shown in the table.

What is the median price of the watches in dollars?

• 20

• 24 & 16

• 18

• 16 & 20

The list shows the area in square feet of each apartment available for rent in a building.

565, 961, 867, 517, 627, 714, 517, 728

What is the range of these areas in square feet?

• 517

• 444

• 163

• 687

The list shows the number of licenses issued every year to lobster boats in Massachusetts for a five-year period.

551, 554, 529, 534, 530

What is the range of these data?

• 534

• 540

• 21

• 25

The dot plot shows the number of chess games won by each of the 20 students in a competition. Which statement about the data is true?

• The median is 4, and the interquartile range is 10.

• The median is 4, and interquartile range is 5.

• The median is 5, and the interquartile range is 10.

• The median is 5, and the interquartile range is 5.

Employees who have retired from a company are placed in different benefit categories. The bar graph shows the percentages of the retired employees in different benefit categories.

Which statement about the employees is supported by the data in the bar graph?

• More than half the employees are in Category I.

• The number of employees in Category II is twice the number of employees in Category III.

• The number of employees in Category II or Category III is greater than the number of employees in Category I.

• The number of employees in Category I is three times the number of employees in Category II.

The students in a class were each asked to name their favorite meal of the day. The results are shown in this percentage bar graph.

Which table could be represented by the percentage bar graph?

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