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25 July, 10:35

The frequency distribution shows the lengths, in inches, of available baseball bat at a batting cage. what is the mean of the frequency distribution? Baseball bat length| 27 28 31 33 34 F| 2 5 3 1 4

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  1. 25 July, 13:26
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    The given data is

    Length, in : 27 28 31 33 34

    Frequency: 2 5 3 1 4

    The sample size is 2+5+3+1+4 = 15.

    A plot of the data is shown below.

    Calculate the mean

    m = (27*2 + 28*5 + 31*3 + 33 + 34*4) / 15 = 30.4

    Answer: 30.4 in
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