Derrick scored an 80 on both tests julie scored a 70 on the, Basic Statistics

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Derrick scored an 80 on both tests julie scored a 70 on the

Combining test scores. The first Stats exam had a mean of 65 and a standard deviation of 10 points; the second had a mean of 80 and a standard deviation of 5 points.

Derrick scored an 80 on both tests. Julie scored a 70 on the first test and a 90 on the second. They both totaled 160 points on the two exams, but Julie claims that her total is better. Explain.

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Basic Statistics: Derrick scored an 80 on both tests julie scored a 70 on the

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Basic Statistics: Derrick scored an 80 on both tests julie scored a 70 on the

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