Question

What is the standard deviation of the following data set?

3, 6, 1, 9, 6

Answer 1

thank but thats the wrong answer and yes you deserve a medal

Answer 2

o woops the standard is 6.

Answer 3

is this a sample or a population?

Answer 4

thats also the wrong answer and you gotta find standard deviation of 3, 6, 1, 9, 6

Answer 5

5
-36196
2 1 4 4 1 ^2

4 1 16 16 1 : sumed = 38

sqrt(38/5) would be for a population

sqrt(38/4) would be for a sample

as long as i did the headmath correctly :)

Answer 6

thanks thats right

Answer 7

whew!! at my age it gets pretty iffy when you do stuff in the head ;)