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    Calculate the mean for the following data:8.2, 9.5, 10.3, 11.4, 12.4
    Question

    Calculate the mean for the following data:

    8.2, 9.5, 10.3, 11.4, 12.4

    A.

    10.51

    B.

    10.7

    C.

    10.36

    D.

    10

    Correct option is C

    Given:

    Data set: 8.2, 9.5, 10.3, 11.4, 12.4

    Formula Used:

    Mean =Sum of observationsNumber of observations \frac{\text{Sum of observations}}{\text{Number of observations}}

    Solution:
    Sum of observations = 8.2 + 9.5 + 10.3 + 11.4 + 12.4 = 51.8
    Number of observations = 5

    Mean = 51.85=10.36\frac{51.8}{5} = 10.36

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