Question

Find the mean of the following data set: 8, 5, 7, 10, 15, 21

A) 8
B
66
6
D
11

Answer 1

D. 11

you add all of the number then divide by how many numbers there are.

8+5+7+10+15+21= 66

there are 6 numbers total

66/6=11

Answer 2

Mean: add A1+A2+A3+A4+……..+An then divide by 2 means 8+5+7+10+15+21=66/2=33