normal distribution MCQs – Page 3

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

normal distribution Mcqs
41. Mean deviation of Normal Distribution is_____________?
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A. 45?

B. 23?

C. 34?

D. 78?

42. 100% of values lies in the limits are equal to ______________?
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A. 40 and 60

B. 20 and 70

C. 20 and 80

D. 20 and 30

43. P95 means _____?
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A. The central 95% area

B. The point above above which95% area lies

C. The point above below which 95% area lies

D. Both (a) and (b) but not (c)

44. In normal distribution Q.D. ( quartile deviation)is equal to________?
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A. 0.6745 ?

B. ?

C. None of these

D. 0.7979 ?

45. Normal distribution has ___________?
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A. 4 parameter

B. 1 parameter

C. 2 parameter

D. 3 parameter

46. N(, 2?) means normally distribution with mean u and variance2? then (3?, 4) means _____________?
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A. 36

B. 76

C. 46

D. 47

47. The maximum of function is at_______________?
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A. X = 0

B. X = + ?

C. X = ?2

D. X =
48. The shape of normal distribution does depend upon _____ and variance?
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A. S/?2

B. u

C. x

D. 2 2

49. As the normal distribution is symmetrical, its mean, median and mode are:____________?
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A. Coincide

B. Different

C. Not equal

50. Normal distribution has ______ parameter?
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A. Two

B. Four

C. One

D. Three

51. The quartile deviation is ____ (S.D.) is normal dist?
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A. 0.7879

B. 0.4567

C. .6745

D. 0.6734

52. If ?1 = 0 it means the distribution is _______________?
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A. #NAME?

B. #NAME?

C. Symmetrical

D. Non of these

53. For a normal distribution having = 241 and ? = 2 P (X?235) is:_______?
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A. 0.235

B. 0.5

C. 0.475

D. 0.9986
54. Normal distribution is a probability distribution of _____ random variable?
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A. Normal

B. Discrete

C. Continuous

D. Constant

55. In a standard normal distribution z = 0 corresponds to _____________?
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A. M.D.

B. Q.D.

C. Mean

D. S.D.

56. The area under the normal distribution curve outside the interval of z=1 and z=3.09 is_____________?
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A. 0.1477

B. 0.3413

C. None of the above

D. 0.499

E. 0.1597
57. The range of normal distribution lies between _________?
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A. -? to 0

B. None of these

C. -? to +?

D. 0 to ?

58. The normal distribution is_________?
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A. Leptokurtic

B. None of these

C. Platykurtic

D. Mesoukurtic