Asked by T
How do you calculate the percentage of women that have weights between 140 lb and 220 lb with a mean of 145 lb and a standard deviation of 31 lb?
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 proportions from the Z scores.
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions from the Z scores.
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