2nd Year Statistics Chapter 10 Online MCQ Test for 12th Class Statistics Chapter 10 (Normal Distribution)

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ICS Part II Statistics Chapter 0 Important MCQ's

Sr.#	Question	Answer
1	The mean deviation (M.D) of a normal distribution is ________.	A. 4/5 σ B. 5/4 σ C. 2/3 σ D. None of these
2	The point of inflection in normal distribution are _______.	A. μ - σ, μ + σ B. μ - σ, μ + 2σ C. μ, σ D. None of these
3	All odd ordered moments about mean are ______ in a normal distribution.	A. Zero B. Unity C. Positive D. Negative
4	Normal distribution ranges from_______.	A. 1,2,3,............∞ B. -∞ to +∞ C. 1,2,3,.........n D. None of these
5	In case of normal distribution maximum value of ordinate is	A. μ B. Zero
6	The normal distribution is a _______.	A. Positive B. Negative C. Discrete D. Continuous
7	In case of symmetrical distribution	A. μ1 = μ2 = μ3 = μ4 B. β1 = β2 C. P1 < P2
8		A. β1 B. β2 C. β3 D. Sk
9	P(μ-2σ < X=< μ + 2σ)=	A. 0.6827 B. 0.9545 C. 0.9973 D. 0.9827
10	If X - N (50,25), then=σ = ________.	A. 3 B. 5 C. 25 D. 50