Asked by Kailey
how do you Calculate percentage when given standard deviation and mean
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 related to the Z score for that score. Change to a percentage.
If you mean percentile, the percentile is the percentage of scores below that score.
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion related to the Z score for that score. Change to a percentage.
If you mean percentile, the percentile is the percentage of scores below that score.
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