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A distribution has a SD of 8. Find the z-score for Above the mean by 4 points.... What formula would I use?
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- Anonymous1 decade agoFavorite Answer
z = (x-bar - mu) / sigma
- 1 decade ago
z=value-mean divided by standard deviation
the z score represents the number of standard deviations that a data value falls above or below the mean
i hated statistics good luck honey!
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