A Distribution of Raw Scores Is Positively Skewed

question 87

Multiple Choice

A distribution of raw scores is positively skewed. You want to transform it so that it is normally distributed. Your friend, who fancies herself a statistics whiz, advises you to transform the raw scores to z scores; that the z scores will be normally distributed. You should _________.

• A) ignore the advice because your friend flunked her last statistics test
• B) ignore the advice because z distributions have the same shape as the raw scores.
• C) take the advice because z distributions are always normally distributed
• D) take the advice because z distributions are usually normally distributed

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