1.

Find the value of p if the mean of following distribution is 20 Xi-15, 17,19,20+p, 23 Fi-2, 3,4,5,6

Answer»

fixi=395+5p, fi=20Explanation:mean=fixi/fi, 20=395+5p/20, 400-395=5p, 5=5p, p=1



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