normal distribution MCQs – Page 2

Practise focused normal distribution questions with marked answers for exam preparation and subject revision.

normal distribution Mcqs
21. Normal distribution is _____ distribution?
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A. #NAME?

B. #NAME?

C. Symmetrical

D. non-symmetrical

22. The Normal Curve is asymptotic to the?
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A. Along Y=X

B. Y-axis

C. None

D. X-axis
23. If X N (, ?2) then Z __________?
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A. N(0, 1)

B. N(1, 1)

C. N(0, ?2)

D. N(1, ?2)

24. In normal distribution, mean ______= Mode?
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A. S.D.

B. Mean deviation

C. Median

D. Quartile

25. The standardized normal variate z means_________ away from the mean?
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A. Mean

B. S.D.

C. Variance

D. None of these

26. Normal distribution is the distribution of _______________?
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A. Continuous r.v.

B. Discrete r.v.

C. Quantitative variable

D. Qualitative variable

27. The _____ order moments about mean are all zero?
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A. None

B. Even

C. Four

D. Add
28. If Y=5X + 10 and X is N(10,25), then mean of Y is ?
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A. 70

B. 60

C. 50

D. 135

29. If X N(16,49), the mean is___________?
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A. 49

B. 7

C. 16

D. 4

30. In a normal distribution quartile deviation is _______ (S.D.)?
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A. 0.2745

B. 0.79079

C. 0.3789

D. .6745
31. Normal Distribution ?
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A. Tri Modal

B. Multi Modal

C. have no Mode

D. Bi Modal

E. Uni Modal
32. The value maximum ordinate of a standard normal curve at Z = 0 is:________?
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A. 0.3989

B. 1

C. 0.5

D. None of these

33. In normal distribution Q1=_________?
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A. u + .6745 (S.D.)

B. u .6745 (S.D.)

C. u + .6745 (S.D.)

D. u .7979 (S.D.)

34. Area of normal distribution total is equal to _______?
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A. Four

B. Two

C. One

D. Three

35. Shape of normal curve can be related to_______________?
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A. L

B. J

C. Rectangle

D. Bell

E. Circle

36. In normal distribution ?1 = 0 and ?2 is equal to _____________?
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A. 0.5

B. 1

C. 2

D. 3
37. Normal distribution has ____shaped?
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A. Normal shaped

B. Bell shaped

C. T-shaped

D. u-shaped

38. The equation of standard normal distribution is f(z)=________?
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A. 1/??2?e 1/22

B. 1/??2?e -1/22

C. 1/?2?

D. 1/??2?

39. In normal distribution u2 = S2 and u4 =___________?
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A. 4S2/x

B. 3S4

C. 3S

D. 3S2

40. P( ??x? + ?)=_________?
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A. 0.2345

B. 0.6743

C. 0.6745

D. .6826