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Calculate average of the following discr...

Calculate average of the following discrete series. Use Short-cut Method by taking 25 as assmed average.
`{:("Size",30,29,28,27,26,25,24,23,22,21),("Frequency (f)",2,4,5,3,2,7,1,4,5,7):}`

Text Solution

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The correct Answer is:
Average = 24.925
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Knowledge Check

  • The mean deviation about the mean of the following distribution is {:("Size",20,21,22,23,24),("Frequency",6,4,5,1,4):}

    A
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    B
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    C
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    D
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