To change a raw score to a z-score, you need to
A) specify a new mean and standard deviation.
B) convert all of the raw scores into z-scores.
C) use the TSS formula.
D) know the mean and standard deviation of the distribution.

Question

Quizplus · Accepted Answer

To convert a raw score to a z-score, you need to subtract the mean of the distribution from the raw score and then divide that result by the standard deviation of the distribution. Therefore, you need to know the mean and standard deviation of the distribution.

To Change a Raw Score to a Z-Score, You Need