Let Xi be a random sample of size n10 such that EXi2 and VXi

Let {X_i} be a random sample of size n=10 such that E(X_i)=2 and V(X_i)=6 a) Find a variable proportional to W which obeys the X^2 distribution. How many degrees of freedom does it have?

How many degrees of freedom does it have?

we need to see the sample size that is 10

so degrees of freedom is equal to 10-1 =9

$Let {X_i} be a random sample of size n=10 such that E(X_i)=2 and V(X_i)=6 a) Find a variable proportional to W which obeys the X^2 distribution. How many degree$

Let Xi be a random sample of size n10 such that EXi2 and VXi

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