SOLUTION: After 3 exams, Sam has a mean score of 75 marks. (i) What is Sam’s total score for the three exams?
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Question 1190242
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After 3 exams, Sam has a mean score of 75 marks.
(i) What is Sam’s total score for the three exams?
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Solver92311(821)
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The mean is the sum of the data elements divided by the number of data elements, so the sum of the data elements must be the mean multiplied by the number of data elements.
John
My calculator said it, I believe it, that settles it
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