Question

Help please???

Suppose you have a normally distributed set of data pertaining to a standardized test. The mean score is 1050 and the standard deviation is 200. What is the z-score of 1300 point score?



1.5


1.25


–0.25


–0.5

Answer 1

The z-score is found using the following equation:
\[\large z=\frac{X-\mu}{\sigma}=\frac{1300-1050}{200}=you\ can\ calculate\]

Answer 2

Thank you <3

Answer 3

You're welcome :)