Which is true about a Z-score?
A) It identifies the confidence interval for a group of data.
B) It is a method for calculating variance.
C) It is a standardized score used when data measures use different scales.
D) It represents the median data point in any set of data.

Question

Quizplus · Accepted Answer

When study results use different scales to report data,it is necessary to standardize the scores into a more general meaning.This standardized score is a Z-score.The Z-score does not identify the confidence interval,variance,or median.

Which Is True About a Z-Score