Question

    Find the mean of the following observations:

    /> 45, 54, 42, 56, 46, 48, 52, 50, 57, 43
    A 65.4 Correct Answer Incorrect Answer
    B 49.3 Correct Answer Incorrect Answer
    C 22.6 Correct Answer Incorrect Answer
    D 77.5 Correct Answer Incorrect Answer

    Solution

    ATQ,

    Required mean = (45 + 54 + 42 + 56 + 46 + 48 + 52 + 50 + 57 + 43) ÷ 10 = 49.3

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