Homework Help: Math

Posted by Tanyetta on Monday, October 22, 2012 at 8:42pm.

On a standardized test, Phyllis scored 84, exactly one standard deviation about the mean. If the standard deviation for the test is 6, what is the mean score for the test?

Math - PsyDAG, Tuesday, October 23, 2012 at 2:41pm
I assume you mean above the mean.

Z = (score-mean)/SD

Z = +1

Insert values and calculate.

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