Math Population Inferences

The dot plots show the number of hours two boys played video games each day for 10 days.
Which statement is NOT supported by the information in the dot plots?

• The mode of the number of hours played by Jayden is less than the mode number of hours played by Juan.

• The mean of the number of hours played by Jayden is more than the mean number of hours played by Juan.

• Jayden had a greater range of the number of hours played than Juan.

• The maximum number of hours played by Juan is less than the maximum number of hours played by Jayden.

The dot plots show the number of minutes it takes students in Mrs. Williams's and Mr. Escobedo's class to get to school. Which statement is NOT supported by the information in the dot plots?

• The data in Mr. Escobedo's class is approximately symmetrical.

• The median number of minutes it takes Mrs. Williams's students to get to school is greater than the median number of minutes it takes Mr. Escobedo's students to get to school.

• The number of minutes it takes Mrs. Williams's students to get to school has a greater range than the number of minutes it takes Mr. Escobedo's students to get to school.

• The maximum value of the data for Mr. Escobedo's class is less than the maximum value of the data for Mrs. Williams's class.

The dot plots show the number of ounces of chocolate in two different trail mixes.

Which statement is best supported by the data in the dot plots?

• The range of the data for the Planters Trail Mix is greater than the range of the data for the Kirkland Trail Mix.

• The median of the data for Kirkland Trail Mix is greater than the median of the data for Planters Trail Mix.

• The distributions of the data for Planters Trail Mix and Kirkland Trail Mix are approximately symmetrical.

• The minimum value of the data for Kirkland Trail Mix is less than the minimum value of the data for Planters Trail Mix.

The dot plots show the weight of different books in two stacks at the library.

Which statement is best supported by the data in the dot plots?

• The mode of the data for Stack A is greater than the mode of the data for Stack B.

• The range of the data for Stack B is greater than the range of the data for Stack A.

• The median of the data for Stack B is less than the median of the data for Stack A.

• The maximum value of the data for Stack A is equal to the maximum value of the data for Stack B.

The dot plots show the ages of students at two different arcades. Which statement is best supported by the information in the dot plots?

• The range of the age of students at Arcade A is greater than the range of age of students at Arcade B.

• The distribution of the data for Arcade A and Arcade B are approximately symmetrical.

• The median age of students at Arcade A is greater than the median age of students at Arcade B.

• The maximum age at Arcade B is less than the maximum age at Arcade A.

If there are 300 seventh graders, how many students prefer choir?

• 96

• 24

• 75

• 42

If 30% of the students chose French, what percent did not choose French?

• 10%

• 70%

• 5%

• 55%

The bar graph shows the approximate number of visitors at a state park. What percentage of visitors went to a state park in 2011? Hint: Percent proportion

• 20%

• 40%

• 60%

• 80%

Hint: four or more includes four; less than two does not include two.

• 8

• 6

• 2

• 18

The dot plot shows the number of movies students watched at the movie theater in a month. What percentage of students watched 3 or less movies in a month?

• 27%

• 44%

• 22%

• 50%