statistics MCQs – Page 40

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 Review each marked answer and report any item that may be outdated or unclear.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

781. In case of symmetrical distribution?
0

A. 1=2

B. ?1=?4

C. Mean=Mode=Median

D. 1=4

782. Every distribution tends to ____ distribution?
0

A. ?

B. Small

C. Large

D. Finite

783. If n ? 30 and _____ then binomial approaches to normal distribution?
0

A. p = n

B. pq

C. p = q

D. q/p

784. Standard normal variable Z is___________?
0

A. ? x/

B. - x /?

C. x ?/

D. x /?

785. In a normal distribution, what is the z score associated with the mode ?
0

A. -1

B. 0

C. 1

D. None of these

786. Total area under the normal curve is________?
0

A. 50%

B. 100

C. 1%

D. 1

787. Total Area under the normal curve is_______________?
0

A. 1

B. Less than 1

C. None

D. Greater than 1

E. 0

788. The median of normal distribution corresponds to the value of Z equal to_________________?
0

A. 1

B. 0

C. 0.5

789. If X N(55,49) then ? ?
0

A. 55

B. 7

C. 104

D. 49

790. If X is normally distribution with >= 8 and S.D. 4, then P(6?X?10) may be______________?
0

A. -0.32

B. 0

C. 1.2

D. 0.2684

791. Normal distribution is _____ distribution?
0

A. #NAME?

B. #NAME?

C. Symmetrical

D. non-symmetrical

792. The Normal Curve is asymptotic to the?
0

A. Along Y=X

B. Y-axis

C. None

D. X-axis

793. If X N (, ?2) then Z __________?
0

A. N(0, 1)

B. N(1, 1)

C. N(0, ?2)

D. N(1, ?2)

794. In normal distribution, mean ______= Mode?
0

A. S.D.

B. Mean deviation

C. Median

D. Quartile

795. The standardized normal variate z means_________ away from the mean?
0

A. Mean

B. S.D.

C. Variance

D. None of these

796. Normal distribution is the distribution of _______________?
0

A. Continuous r.v.

B. Discrete r.v.

C. Quantitative variable

D. Qualitative variable

797. The _____ order moments about mean are all zero?
0

A. None

B. Even

C. Four

D. Add

798. If Y=5X + 10 and X is N(10,25), then mean of Y is ?
0

A. 70

B. 60

C. 50

D. 135

799. If X N(16,49), the mean is___________?
0

A. 49

B. 7

C. 16

D. 4

800. In a normal distribution quartile deviation is _______ (S.D.)?
0

A. 0.2745

B. 0.79079

C. 0.3789

D. .6745

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