If x bar is the mean of X1,X2,....Xn,then for a is not equal to zero,the mean of aX1,aX2,.....,aXn,X1÷a,X2÷a,....,Xn÷a is
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Answer:
x bar(a2+1/a)
Step-by-step explanation:
when we common
a(x1,x2, x3.....xn),1/a(x1, x2, x3........xn)
=a x bar, 1/a x bar
=x bar(a+1/a)
= x bar (a2+1/a)
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