Calculating and Interpreting Mean in Everyday Life

A class of 5 students scored the following on a math test: 78, 85, 92, 88, and 76. What is the mean score of the class?

• 85.0

• 80.5

• 83.8

• 90.2

Emma recorded the number of books she read each month for 4 months: 3, 5, 2, and 4. What is the mean number of books she read per month?

• 3.5

• 4.0

• 5.0

• 2.5

In a basketball game, the points scored by the players were: 10, 15, 20, 25, and 30. What is the mean score of the players?

• 20

• 25

• 15

• 35

A gardener measured the height of 5 plants in inches: 12, 15, 14, 10, and 13. What is the mean height of the plants?

• 13.5 inches

• 11.5 inches

• 12.8 inches

• 14.2 inches

During a week, a student spent the following hours on homework: 2, 3, 4, 1, and 5. What is the mean number of hours spent on homework?

• 4

• 3

• 2

• 6

A family recorded their monthly grocery expenses for 6 months: $200, $250, $300, $150, $400, and $350. What is the mean monthly expense?

• 275

• 300

• 400

• 250

The ages of 5 friends are 12, 13, 11, 12, and 14. What is the mean age of the friends?

• 12.0

• 12.4

• 13.5

• 11.8

A teacher recorded the number of hours her students studied for a test: 5, 6, 4, 7, and 5. What is the mean study time?

• 6.2

• 5.0

• 5.4

• 4.8

In a survey, the number of pets owned by 5 families was recorded as follows: 1, 2, 3, 2, and 4. What is the mean number of pets per family?

• 3.0

• 2.0

• 1.8

• 2.4

A runner tracked her times for 5 races: 25 minutes, 30 minutes, 28 minutes, 27 minutes, and 29 minutes. What is the mean time for her races?

• 31 minutes

• 28.5 minutes

• 26 minutes

• 27.8 minutes