Asked by LaToya
For the z-score mean-SD how do you get the percentage without using a calculator
Answers
Answered by
PsyDAG
Z = (score-mean)/SD
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 score.
OR…
http://davidmlane.com/hyperstat/z_table.html
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 score.
OR…
http://davidmlane.com/hyperstat/z_table.html
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