Question

What is standard deviation?

Answer 1

a quantity calculated to indicate the extent of deviation for a group as a whole.

Answer 2

Okay thanks :) could u help me calculate it with these numbers {6, 8, 7, 5, 10, 6, 9, 8, 4}.

Answer 3

The Standard Deviation is a measure of how spread out numbers are.

Answer 4

well frist put the numbers in order

Answer 5

Okay. 4, 5, 6, 6, 7, 8, 8, 9, 10

Answer 6

add all then up then divied by how many numbers you added. Tell me if that helps! :D

Answer 7

i get 63 divided by 9 = 7

and yes that helped but i thought that was the way to find mean not standard deviation

Answer 8

okay i just worked it out to see if i told you work but that how you do it.

Answer 9

Okay thanks :)