Posted by **dora** on Sunday, November 25, 2012 at 8:11pm.

I am having difficulty with statistics..I am taking stats 4, but haven't taken 3 yet.

Explain deviation below or above the means please.

ex. If bill received a NCE score deviation below the mean, what would his score be? which is 10. Can you explain the standard deviation above the means?

- math (incomplete) -
**PsyDAG**, Tuesday, November 27, 2012 at 1:33am
It is always best to take the courses in order. Each one builds on the knowledge of the preceding course.

If it is a standard deviation below the mean, That means it is at about the 16th percentile. Z score is the score in terms of standard deviations.

-1 = Z = (score-mean)/SD

You do not indicate the mean or SD.

http://en.wikipedia.org/wiki/Standard_deviation

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