Asked by Melissa
What score in a distribution that has a mean of 500 and a standard deviation 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 and its Z score. Use value in equation above to find the score.
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion and its Z score. Use value in equation above to find the score.