Data Interpretation Unit Review

The list of data points shows the numbers of correct answers in a quiz game.

8, 14, 20, 15, 17, 16, 12, 11, 10, 9, 8, 6

Which box plot correctly displays this data?

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A class of 19 students was asked the number of siblings each student has. The results were as follows:

0, 1, 2, 3, 0, 0, 4, 2, 1, 2, 5, 2, 1, 3, 1, 1, 0, 0, 1

Which dot plot shows the results?

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The ages of your family members who attended a party are listed below. Which stem-and-leaf plot correctly displays the data?

12, 13, 21, 27, 33, 34, 35, 37, 40, 40, 41

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What is the range in the data?

• 70

• 25

• 95

• 85

Which of the following best describes the spread of the graph?

• Skewed Right

• Skewed Left

• Symmetric

• Uniform

Jose's test scores are represented in the dot plot.

Which statement is true based on the data in the dot plot?

• The Range of the data is 80

• The center of the data is 83

• The highest test score is 83

• The lowest test score is 82

The box plot below represents the heights of pigs.

Which statement is best supported by the data in the box plot?

• Approximately 50% of the heights are less than 18 inches?

• Approximately 75% of the heights are less than 18 inches?

• Approximately 25% of the heights are less than 32 inches?

• Approximately 75% of the heights are less than 32 inches?

The dot plot shows the ages of children on the playground.

Which statement is supported by the data in the dot plot?

• More than half of the children are younger than 9.

• The center of the data is 10.

• Fewer than half of the children are older than 8.

• The center of the data is 9.

The results from a recent survey show the ages of lottery winners. Which of the following is true about the histogram?

• There were twice as many winners between 60-69 as there were between 20-29

• No one between 20-29 were winners.

• Most winners were 50-59 years old

• There were half as many winners betweenm 20-29 as there were between 50-59,

The stem-and-leaf plot show the lengths of model cars in centimeters.

Which statement is supported by the data in the stem-and-leaf plot?

• The range of the data is 13

• The center of the data is 27

• The range of the data is 55

• Most of the cars have a length greater than 32 centimeters