Unit 10 Review

1) The histogram shows the ages of residents admitted to a Senior Living Facility in the past three months.

Which table best represents the data in the histogram?

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2) The list shows the number of students in seven different grade levels at an elementary school ranging from pre- kindergarten to fifth grade.

38, 56, 68, 75, 72, 54, 64

What is the range of the numbers of students in the different grade levels at the school?

• 29

• 34

• 37

• 26

3) The stem and leaf plot shows the results of a quiz taken in a math class.

Which statement is true?

• A. 25% of the students scored an 80.

• B. Half of the students scored below a 70.

• C. At least 10% of the students scored a 90 or above.

• D. 5% of the students scored below a 70.

4) The dot plot shows the homeruns a baseball team hit per game during its last season.

Which statement best describes the data shown?

• A. The data is clustered from 3 to 5.

• B. The outlier of the data is 8.

• C. The data distribution is symmetrical.

• D. The peak of the data is 3.

5) Lani bought a bag of gummy bears. She separated the gummy bears by color and created the table seen below.

In which table do the percentages represent the relative frequency of the gummy bear colors?

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6) Maya took a survey asking people to estimate how many times a year they go to the movie theater. The

results are shown below.

8, 12, 10, 5, 10, 20, 2, 12, 25, 5, 10

What is the median number of times those surveyed go to the movie theater?

What is the mode of this data set?

Select two answers.

• Median 10

• Median 20

• Mode 3

• Mode 18

7) Which question would yield the greatest variability if asked to all sixth-grade students at a school?

• A. Do you prefer chocolate or vanilla ice cream?

• B. Have you ever traveled out of the country?

• C. What is your favorite brand of shoe?

• D. Do you enjoy listening to music?

8) Douglas surveyed his classmates asking which type of snack they preferred – salty, sweet, or sour. The

percentage bar graph shows the results of his survey.

Which table best represents this data?

Select ONE correct answer.

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9) The box plot shows the summary of the results of a survey asking individuals how many times a week they exercise outside.

Which statement best describes the data represented in the box plot?

• A. The range of the data is 8.

• B. The interquartile range of the data is 4.5.

• C. Half of the people exercise outside 4 to 8 times during the week.

• D. 25% of the people exercise outside 8 times during the week.

10) The dot plot shows the number of cars a salesperson sold during her first ten weeks on the job.

Which statement about the data is true?

• A. The median is 7.5, and the interquartile range is 4.

• B. The median is 5, and the interquartile range is 7.

• C. The median is 8, and the interquartile range is 5.

• D. The median is 7, and the interquartile range is 6.