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normal distribution MCQs

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

normal distribution Mcqs

1. In Normal distribution, the parameter which controls the flatness of the curve is____________?
0

A. ,?

B. None

C. , MD

D. 2??,e

2. Which of the following parameter control the relative flatness of normal distribution?
0

A. Standard Deviation

B. Mean

C. None

D. Mode

3. We use normal distribution when n is________________?
0

A. Large

B. None

C. Small

D. Fixed

4. The shape of normal curve depends upon ?
0

A. Mean Deviation

B. Standard Deviation

C. None

D. Mean

E. Quartile

5. For +ve and -ve skewed, check the sign of _______?
0

A. ?2

B. ?1

C. 3

D. 2

6. Area Under the normal curve on either side of mean is _____________?
0

A. -1

B. Mean value

C. 2

D. 0.5

E. 1

7. The lower and upper quartile of standard normal variation are respectively ?
0

A. -0.7979 and 0.7979

B. -0.7979? and 0.7979?

C. +0.6745? and -0.6745?

D. -0.6745 and 0.6745

8. In a normal distribution E(X-)2 is________________?
0

A. Quartile Deviation

B. Variance

C. Mean Deviation

D. Standard Deviation

9. Area to the right of (z=0) is the area for ____ values of z?
0

A. Positive

B. None of these

C. Zero

D. Negative

10. In a certain normal distribution having = 35 and variance = 16, then mode will be_______________?
0

A. 16

B. 3.5

C. 4

D. None of these

11. In case of symmetrical distribution?
0

A. 1=2

B. ?1=?4

C. Mean=Mode=Median

D. 1=4

12. Every distribution tends to ____ distribution?
0

A. ?

B. Small

C. Large

D. Finite

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

A. p = n

B. pq

C. p = q

D. q/p

14. Standard normal variable Z is___________?
0

A. ? x/

B. - x /?

C. x ?/

D. x /?

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

A. -1

B. 0

C. 1

D. None of these

16. Total area under the normal curve is________?
0

A. 50%

B. 100

C. 1%

D. 1

17. Total Area under the normal curve is_______________?
0

A. 1

B. Less than 1

C. None

D. Greater than 1

E. 0

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

A. 1

B. 0

C. 0.5

D.

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

A. 55

B. 7

C. 104

D. 49

20. 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

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