Homework Help: statistics

Posted by Anonymous on Sunday, August 22, 2010 at 11:28pm.

Given that a sample is approximately bell-shaped with a mean of 60 and a standard deviation of 3, the approximate percentage of data values that is expected to fall between 54 and 66 is

statistics - PsyDAG, Monday, August 23, 2010 at 11:04am
Z = (score-mean)/SD

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

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