Calculating Mean and Interpreting Line Plots for 4th Grade

A class measured the heights of their plants in inches: 4, 5, 6, 5, 7. What is the mean height of the plants?

• 5.0

• 5.4

• 6.0

• 7.5

The number of books read by students in a month is shown on a line plot: 2, 3, 3, 4, 5. What is the mean number of books read?

• 3.4

• 3.0

• 4.0

• 2.5

In a survey, the number of pets owned by families is recorded: 1, 2, 2, 3, 4. Calculate the mean number of pets owned.

• 2.4

• 3.2

• 2.0

• 1.8

A teacher recorded the scores of a math test: 85, 90, 75, 95, 80. What is the mean score of the test?

• 90

• 85

• 75

• 80

The ages of children in a playground are: 5, 6, 5, 7, 8. What is the mean age of the children?

• 5.5

• 7.0

• 6.2

• 8.5

A line plot shows the number of hours students studied last week: 2, 3, 4, 3, 5. What is the mean number of hours studied?

• 2.8

• 3.0

• 4.5

• 3.4

The number of cookies sold at a bake sale is recorded: 10, 15, 20, 15, 10. What is the mean number of cookies sold?

• 14

• 16

• 18

• 12

In a game, the scores of players are: 30, 40, 50, 40, 30. What is the mean score of the players?

• 35

• 45

• 55

• 38

A line plot shows the number of stickers collected by students: 5, 6, 7, 6, 5. What is the mean number of stickers collected?

• 7.2

• 5.5

• 6.0

• 5.8

The number of hours spent on homework by students is: 1, 2, 2, 3, 4. Calculate the mean number of hours spent on homework.

• 4.5

• 3.0

• 2.4

• 2.0