the mean of following observation arranged in ascending order is 15. 10 ,12, 14, x + 3 ,X, X + 2,25.Then find x
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there are 7 numbers so n is odd
n+1/2 th digit
7+1/2
8\2=4th digit
4th digit is x+3
x+3=15
x=15-3
x=12
I am not sure about this
n+1/2 th digit
7+1/2
8\2=4th digit
4th digit is x+3
x+3=15
x=15-3
x=12
I am not sure about this
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