balaadithya04 balaadithya04

18-02-2020
Mathematics

contestada

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

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yasmitadp yasmitadp

18-02-2020

Answer:

Step-by-step explanation:

Mean = ∑x/ N

91 = ∑x / 150

∑x = 150 * 91 = 13650

x= 6825 and y = 6825

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