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17 August, 13:50

If the mean of the following distribution is 91 and sum of frequencies is 150 find x and y

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  1. 17 August, 15:12
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    Step-by-step explanation:

    Mean = ∑x / N

    91 = ∑x / 150

    ∑x = 150 * 91 = 13650

    x = 6825 and y = 6825
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