The first statistics exam had a mean of 72 and a standard deviation of 16 points; the

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The first statistics exam had a mean of 72 and a standard deviation of 16 points; the second had a mean of 84 and a standard deviation of 5 points. Julia scored a 82 on both tests. Julia scored 87 on the first exam and 77 on the second. They both totaled 164 points on the two exams, but Julia claims that her total is better. Explain. Question : The total Julia's z-scores is __,? which is greater than Julia's total of__

Posted Date: May 19, 2024 01:06 PM

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The first statistics exam had a mean of 72 and a standard deviation of 16 points; the

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