Why Are Z-Scores Used to Check for Outliers

question 16

Multiple Choice

Why are z-scores used to check for outliers?

• A) They standardize scores for a known mean and standard deviation, allowing comparison.
• B) They allow you to allocate letters for missing values.
• C) A z-score is an outlier.
• D) They standardize scores in order to convert them to values closer to the mean.

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