On a nationwide math test, the mean was 54 and the standard deviation was 7. If Roberto scored 70, what was his z-score?
Posted: Fri Dec 24, 2021 9:48 am
On a nationwide math test, the mean was 54 and the standard
deviation was 7. If Roberto scored 70, what was his z-score?
deviation was 7. If Roberto scored 70, what was his z-score?