CBSE BOARD X, asked by pintusngh2843, 1 year ago

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

Answers

Answered by sap1234

1

Answer:

fixi=395+5p, fi=20

Explanation:

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

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