Problema Solution
Roy received math test scores of 95, 90, 90, 85, 92. what score would roy need to get on his next test to have a mean of 92?
Answer provided by our tutors
Hi,
So the scores we have here are-95,90,90,85,92
Add them up
Sum -452
Current mean-90.4
when we add 100
We get 552
Find the mean 552/6 =92
Answer -100
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