Question

What is the mean of the data set?

{11, 14, 15, 16, 16, 18, 20, 20, 22, 22}


A. 11

B. 15.6

C. 17.4

D. 18

Answer 1

the answer is 17.4

Answer 2

The mean of a set of numbers is simply the average of the numbers. To find the average that would mean you add up all the numbers and then divide by how many numbers there are.

11
14
15
16
16
18
20
20
22
22 +
_____
174

174/10 = 17.4

The answer to your question is 17.4, option C.

Hope this helps! :)