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April 19, 2015

April 19, 2015

Posted by **dee** on Wednesday, March 24, 2010 at 10:11am.

billy scores 5. what is his standard score?

what scale of measurement is being used? is it appropiate? why/why not?

- standard deviation -
**PsyDAG**, Wednesday, March 24, 2010 at 11:15amThe Z score indicates standard deviations from the mean. It is accurate as long as the distribution is normal.

Z = (score - mean)/standard deviation

You can do the calculations.

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