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The mean score for ten students on a chemistry final exam was 178. However, the teacher had made a mistake and recorded one student's score as ten points less than the actual score. What should the mean
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The mean score for ten students on a chemistry final exam was 178. However, the teacher had made a mistake and recorded one student's score as ten points less than the actual score. What should the mean be?

The mean score for ten students on a chemistry final exam was 178. However, the teacher-example-1
User Brad Davis
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6 votes

Answer:

Original total = 178(10) = 1,780

Adjusted total = 1,780 + 10 = 1,790

Adjusted mean = 1,790 ÷ 10 = 179

User Byron Lagrone
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