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December 20, 2014

December 20, 2014

Posted by **sarah** on Tuesday, October 16, 2012 at 8:12pm.

- statistics -
**MathGuru**, Wednesday, October 17, 2012 at 7:17pmFormula for one-sample z-test statistic:

z = (sample mean - population mean)/(standard deviation divided by the square root of the sample size)

I'll let you take it from here.

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