Question

Why is Standard Deviation needed?

Answer 1

http://www.knowswhy.com/why-is-standard-deviation-important/

Answer 2

It shows how much variation or "dispersion" there is from the "average"

Answer 3

:o Thanks guys. :D

Answer 4

np

Answer 5

Now I dunno who to give a medal too..

Answer 6

lol it's okay, don't need it. Just helping.

Answer 7

you can give a medal to one person and then the person who you give it to can give it to the other...

Answer 8

Do you guys happen to know why variance is important as well? .-.

Answer 9

http://www.answers.com/Q/Why_is_variance_important_when_using_statistics
https://answers.yahoo.com/question/index;_ylt=AwrTcd.V4zlU_Y4AWp8PxQt.;_ylu=X3oDMTByaDNhc2JxBHNlYwNzcgRwb3MDMQRjb2xvA2dxMQR2dGlkAw--?qid=20120212073307AAmv7uY

Answer 10

Variance is a measure of variability that can be divided into portions.

Answer 11

Alright, thanks once again! :)

Answer 12

no worries, lol