SOLUTION: find the missing number, n, in data set 28,n,2,19, and 28 mean = 19

SOLUTION: find the missing number, n, in data set 28,n,2,19, and 28 mean = 19

Algebra.Com

Question 563844: find the missing number, n, in data set
28,n,2,19, and 28
mean = 19
Answer by prateekagrawal(56) (Show Source): You can put this solution on YOUR website!
Given mean = 19
As we know, mean = (sum of observations)/(No. of observations)
so , 19 = (28+n+2+19+28)/5
95=77+n
n=18
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