Question

All Help Is appricated thank you

Answer 1

≈ 78,18

Explanation:

The mean is the sum of all values divided by the total number of values

Total number of students:

`9 + 8 + 8 + 2 + 6 = 33`

The mean would be:

`(70 * 9 + 75 * 8 + 80 * 8 + 85 * 2 + 90 * 6)/(33) ≈ 78.18`