Asked by Betty
Assume that 150 scores are normally distributed with a mean of 92 and a standards deviation of 11.5
WHat percentage of the scores fall between 69 and 115?
WHat percentage of the scores fall between 69 and 115?
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 scores.
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion related to the Z scores.
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