Q. 45.0( 1 Vote )

# If X and Y are tw

Given,

To Find: Write the expression for the standard deviation of Y.

Explanation: We have

Mean (y) =

We can write as Mean (y) =

Mean (y) =

Var(X) =

But, Var(X)=

Then, Var(Y) =

Now, Substitute the value of yiand Y, then we get

Hence, Proved

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