MCQ on Statistics Class 11 Measure of Dispersion Quiz

Primary tabs

• View
• My results
• Take(active tab)

Question 1 of 20

If X and Y are independent, then s.d. (X + Y) is equal to:

	None of these
	$\sqrt{Var(X)-Var(Y)}$
	$\sqrt{Var(X)+Var(Y)}$
	s.d. (X) + s.d(Y)

Next Leave blank Next