Calculate Percent Of Scores Falling Between Different Standard Deviations

Question

Given a set of scores on a variable that is normally distributed, what percent (%) of scores would fall:

0.987580669 between –2.5 and +2.5 S.D.

0.157305356 between +1.0 and +3.0 S.D.

0.477249868 between -2.0 S.D. and the Mean

0.910442667 between -1.5 and +2.0 S.D.

Summary

The question belongs to Statistics and it is about calculating percent of scores falling between different standard deviations and means.

Total Word Count 120