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IQ scores have a mean of 100 and a standard deviation of 15. Joe has an IQ of 130. (a) What is the difference between

IQ scores have a mean of 100 and a standard deviation of 15. Joe has an IQ of 130. (a) What is the difference between Joe's IQ and the mean? (b) Convert Joe's IQ score to a 2-score. Submit

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