Mathematics, 23.04.2021 03:30, kamerin46

Keenan scored 80 points on an exam that had a mean score of 77 points and a standard deviation of 4.9 points. Rachel scored 78 points on an exam that had a mean score of 75 points and a standard deviation of 3.7 points. Find Keenan's and Rachel’s z-scores, to the nearest hundredth.

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Keenan scored 80 points on an exam that had a mean score of 77 points and a standard deviation of 4....