Question 821315
There are 10 females and 10 malesin the first aid course.If the females achieved an average score of 85 and the males achieved an average score of 95, What was the class average?
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Ans: (10*95 + 10*85)/20 = (10)(95+85)/20 = (1/2)(180) = 90
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Cheers,
Stan H.
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