Homework Help: statistics

Posted by HELP on Friday, November 30, 2012 at 8:31pm.

Working on "Inferences from Dependent Samples" trying to find the standard deviation of the difference data.

Differences: 24, 53, 100, 40, -10,71,77,70, 39, 50
n=10
d=51.4
sd=??? (Answer suppose to be 30.8336 but not coming close to this number at all)

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