statistics MCQs – Page 41

Practise multiple-choice questions from statistics for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

statistics Mcqs

1. sample linear regression 2. normal distribution 3. presentation of data 4. statistical inference 5. measures of location 6. basic statistics 7. correlation and regression 8. sampling 9. binomial and hyper geometric probability 10. index number 11. hypothesis testing 12. measures of dispersion

801. Normal Distribution ?
0

A. Tri Modal

B. Multi Modal

C. have no Mode

D. Bi Modal

E. Uni Modal

802. The value maximum ordinate of a standard normal curve at Z = 0 is:________?
0

A. 0.3989

B. 1

C. 0.5

D. None of these

803. In normal distribution Q1=_________?
0

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

B. u .6745 (S.D.)

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

D. u .7979 (S.D.)

804. Area of normal distribution total is equal to _______?
0

A. Four

B. Two

C. One

D. Three

805. Shape of normal curve can be related to_______________?
0

A. L

B. J

C. Rectangle

D. Bell

E. Circle

806. In normal distribution ?1 = 0 and ?2 is equal to _____________?
0

A. 0.5

B. 1

C. 2

D. 3

807. Normal distribution has ____shaped?
0

A. Normal shaped

B. Bell shaped

C. T-shaped

D. u-shaped

808. The equation of standard normal distribution is f(z)=________?
0

A. 1/??2?e 1/22

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

C. 1/?2?

D. 1/??2?

809. In normal distribution u2 = S2 and u4 =___________?
0

A. 4S2/x

B. 3S4

C. 3S

D. 3S2

810. P( ??x? + ?)=_________?
0

A. 0.2345

B. 0.6743

C. 0.6745

D. .6826

811. Mean deviation of Normal Distribution is_____________?
0

A. 45?

B. 23?

C. 34?

D. 78?

812. 100% of values lies in the limits are equal to ______________?
0

A. 40 and 60

B. 20 and 70

C. 20 and 80

D. 20 and 30

813. 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)

814. 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 ?

815. Normal distribution has ___________?
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A. 4 parameter

B. 1 parameter

C. 2 parameter

D. 3 parameter

816. N(, 2?) means normally distribution with mean u and variance2? then (3?, 4) means _____________?
0

A. 36

B. 76

C. 46

D. 47

817. The maximum of function is at_______________?
0

A. X = 0

B. X = + ?

C. X = ?2

D. X =

818. The shape of normal distribution does depend upon _____ and variance?
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A. S/?2

B. u

C. x

D. 2 2

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

B. Different

C. Not equal

820. Normal distribution has ______ parameter?
0

A. Two

B. Four

C. One

D. Three

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