Asked by Monica
What score in a distribuiton that has a mean of 500 and a standard deviaiton of 100, would identify the top 60% of scores?
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 (.60), put the corresponding Z score along with the other data in the equation above and solve for the score.
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion (.60), put the corresponding Z score along with the other data in the equation above and solve for the score.
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