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November 21, 2014

November 21, 2014

Posted by **Jen** on Friday, September 25, 2009 at 10:29am.

z= -1.00. Find the mean and standard deviation for the population.

- statistics -
**PsyDAG**, Friday, September 25, 2009 at 11:44amMean is 2 SD below 88 and one above 79.

88 - 79 = 9 Therefore mean is 1/3 of that distance above 79 and 2/3 below 88.

Z = (x - μ)/SD

Substitute the values for Z, x and μ, and solve for the SD.

I hope this helps. Thanks for asking.

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