Math, asked by gurungsaugat104, 13 days ago

in a desceret data,mean (x) = 12 + a, the number of terms (n) = 30 and £fx = 600.find the value of a.

Answers

Answered by Muskan127556

2

Answer:

mean(X) =£fx/£f

12+a=600/30

12+a=20

a=8

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