statistics MCQs – Page 39

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 Review each marked answer and report any item that may be outdated or unclear.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

761. Richness is not a ________________?
0

A. Continuous

B. Discreade

C. Variable

D. Constant

762. If (AB) >(A) (B)/n __________ then A and B are?
0

A. Independent

B. Dis-associated

C. None of these

D. Associated

763. ?xy is always equal to_____________?
0

A. ?x

B. #NAME?

C. ?yx

D. ?o2

764. In perfect association the value of coefficient of association is ______________?
0

A. non of these

B. +1

C. -1

D. 0

765. In r x c table for test of Independence the degree of freedom is _____________?
0

A. (r -1) (c -1)

B. r + c

C. ? r c ?

D. rc

766. If r, between u = x and y = -x is _______________?
0

A. 0

B. -1

C. Non of these

D. 1

767. (A ? C) is a frequency of attributes of order_______________?
0

A. -2

B. 1

D. 3

768. The table representing two attributes is called________________?
0

A. Dichotomy table

B. Chi-square table

C. Random table

D. Contingency table

769. Two attributes are associated if expected frequency is ____________________?
0

A. Greater than observed

B. Less than observed

C. Equal to observed

D. None of these

770. Correlation coefficient is ___________ with respect to x and y?
0

A. Non-normal

B. #NAME?

C. Symmetrical

D. Skewed

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

A. ,?

B. None

C. , MD

D. 2??,e

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

A. Standard Deviation

B. Mean

C. None

D. Mode

773. We use normal distribution when n is________________?
0

A. Large

B. None

C. Small

D. Fixed

774. The shape of normal curve depends upon ?
0

A. Mean Deviation

B. Standard Deviation

C. None

D. Mean

E. Quartile

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

A. ?2

B. ?1

C. 3

D. 2

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

A. -1

B. Mean value

C. 2

D. 0.5

E. 1

777. 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

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

A. Quartile Deviation

B. Variance

C. Mean Deviation

D. Standard Deviation

779. 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

780. 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

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