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Question
On normally distributed curves, which of the following is NOT true?a. The percentile rank mean is always p = 50.
b. The mean of z scores is always 0.
c. The mean of the standard deviation is 0.
d. The mean of standard scores vary as a function of the type of standard score (e.g., T score mean is 50, DIQ mean is 100).
e. The mean of the publisher type score varies as a function of the publisher.
Answer
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