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(xu)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 n1.
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