Posted by **Tracy** on Tuesday, January 29, 2008 at 6:47pm.

Calculate SS, variance, and standard deviation for the following sample of n=9 scores:2,0,0,0,0,2,0,2,0.(Note: The computational formula for SS works best with these scores.)

I keep getting the wrong numbers. Thank You.

- statistics -
**drwls**, Tuesday, January 29, 2008 at 7:46pm
Please define SS.

- statistics -
**Tracy**, Tuesday, January 29, 2008 at 8:14pm
sum of squares

SS=E(x-u)squared in greek of course

- statistics -
**economyst**, Tuesday, January 29, 2008 at 10:51pm
I get:

u=.66666667

ss=8

v=1

sd=1

Note that I am using the formula for the estimate of the variance from a sample. So, I devide by n-1.

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