The mean of a z-score is always zero. Does this mean that half of a set of z scores will be negative and half positive? Explain.
Question
Solution 1
No, the mean of a z-score being always zero does not necessarily mean that half of a set of z scores will be negative and half positive.
Z-scores are a measure of how many standard deviations an element is from the mean. A positive z-score indicates the data point is above the mean, while a negati Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study prob
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