Thursday

August 21, 2014

August 21, 2014

Posted by **Cookie** on Friday, February 1, 2013 at 10:58pm.

deviation of 20, how much error, on average,

would you expect between the sample mean (M) and

the population mean for each of the following sample

sizes?

a. n 4 scores

b. n 16 scores

c. n 25 scores

- Statistic -
**PsyDAG**, Saturday, February 2, 2013 at 11:15amZ = (score-mean)/SEm

SEm = SD/√n

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to the Z scores.

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