Mr. Moreno kept track of the number of hours his 8 students spent doing volunteer work. His records showed:

Question

9 hours8 hours7 hours5 hours7 hours6 hours8 hours6 hours
What was the mean number of hours spent doing volunteer work?

Answer 1

To calculate the mean number of hours spent doing volunteer work, you need to follow these steps:

1. Add up all the hours.
2. Divide the total by the number of students.

Let's calculate:

The hours are: 9, 8, 7, 5, 7, 6, 8, 6.

1. Sum of hours: \( 9 + 8 + 7 + 5 + 7 + 6 + 8 + 6 = 56 \) hours

2. Divide by the number of students (which is 8): \[ \text{Mean} = \frac{56}{8} = 7 \text{ hours} \]

Therefore, the mean number of hours spent doing volunteer work is 7 hours.