Question
if the mean of a test score is 30 and the standard deviation is 3.7. which score could be expected to occur the least often?
Answers
PsyDAG
What are your alternatives?
Z = (score-mean)/SD
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions related to the Z scores.
Z = (score-mean)/SD
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions related to the Z scores.