Whenever the mean of a raw score distribution is less than 50, the z score must be negative.

Name: Whenever the mean of a raw score distribution is less than 50, the z score must be negative.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Z-scores are relative to the mean and standard deviation of the distribution, not a fixed value like 50. A z-score is negative when a raw score is below the mean, regardless of the mean's value.

Whenever the Mean of a Raw Score Distribution Is Less