Sovardipk

2022-07-01

On the first periodic exam in Statistics, the population mean was 70 and the population standard deviation was 9. How to determine the standard score of a student who got a score of 88 assuming that the scores are normally distribtued?

Jamiya Costa

Expert

We can use
$Z=\frac{X-\mu }{\sigma }⇒Z=\frac{88-70}{9}=2$

Do you have a similar question?