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    Question

    The average weight of a team of 20 people was calculated

    to be 59.8 kg and it was later discovered that one weight was misread as 68 kg instead of 77 kg. The correct average weight is:
    A 70.25 kg Correct Answer Incorrect Answer
    B 61.25 kg Correct Answer Incorrect Answer
    C 60.25 kg Correct Answer Incorrect Answer
    D 60.50 kg Correct Answer Incorrect Answer

    Solution

    Correct average weight = {(59.8 x 20) - 68 + 77}/20 = {1196 + 9)}/20 = 1205/20 = 60.25 kg   The correct answer is 60.25 kg.

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