In order to convert a raw score to a Z score,the following values are needed:
A)1)the raw score of the test taker,2)the mean of the raw scores,and 3)the percentile rank.
B)1)the raw score of the test taker,3)the standard error,and 3)the percentile rank.
C)1)the standard error,2)the mean of the raw scores,and 3)the standard deviation of the raw scores.
D)1)the raw score of the test taker,2)the mean of the raw scores,and 3)the standard deviation of the raw scores.

Question

Quizplus · Accepted Answer

To convert a raw score to a Z score, you need the raw score of the test taker, the mean of the raw scores, and the standard deviation of the raw scores. The formula for calculating a Z score is $Z = \frac{(X - \mu)}{\sigma}$, where $X$ is the raw score, $\mu$ is the mean, and $\sigma$ is the standard deviation.

In Order to Convert a Raw Score to a Z