Question

What is the mean of this

15, 16, 15, 13, 19, 20, 21

what is the answer?

A: 15

B: 16

C: 17

D: 18

Answer 1

The answer is 17 (C) I hope you do great

Answer 2

Answer; C, 17

Step-by-step explanation: add all the numbers and divide by 7