Mathematics, 21.11.2020 01:00 skyemichellec
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 Rachel's z-score, to the nearest hundredth.
Answers: 2
Mathematics, 22.06.2019 04:10, madisonnxo
Astudent is solving a system of equations by substitution and comes up with the solution 3 = 3. assuming that he solved the problem correctly, which of the following can be said about this system of equations?
Answers: 3
Keenan scored 80 points on an exam that had a mean score of 77 points and a standard deviation of 4....
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