What are all standard scores based on?

Name: What are all standard scores based on?
Brand: Quizplus
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Question

Quizplus · Accepted Answer

All standard scores are based on z-scores. Z-scores are expressed in standard deviations from the mean of a normal distribution and are used for comparing scores across different tests or populations. Percentiles, T-scores, and stanines are all derived from z-scores but are not considered standard scores in and of themselves.

What Are All Standard Scores Based On