Question

Finding standard deviation...help?

Answer 1

Here I'll try

Answer 2

I've added the sum of the data values and divided by 7...I have 8.6

Answer 3

So subtract each data value from 8.6? Then, add the sum of those differences and square them?

Answer 4

Here read this http://www.wikihow.com/Calculate-Standard-Deviation while I try to solve

Answer 5

8.6 is not the answer im guessing

Answer 6

Dont think so let me see

Answer 7

The answer I came up with is 53.85

Answer 8

How did you find?

Answer 9

I added all the numbers up and divided them by 7