Homework Help: statistics

Posted by siobhan on Saturday, October 22, 2011 at 9:59pm.

Given the following information about a sample, calculate a z score for a test grade of 91.
= 87, s = 4.01

statistics - PsyDAG, Sunday, October 23, 2011 at 1:19pm
It would help if you proofread your questions before you posted them. I assume 87 = mean.

Z = (score-mean)/SD

Insert values and calculate.

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