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December 19, 2014

December 19, 2014

Posted by **Kcr7** on Tuesday, August 28, 2012 at 2:32pm.

Find the standard score of a data value = 30

- statistics -
**MathGuru**, Tuesday, August 28, 2012 at 7:12pmUse z-scores.

Formula:

z = (x - mean)/sd

Your data:

x = 30

mean = 15

sd = square root of the variance

I'll let you take it from here.

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