statistics MCQs – Page 22

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 Review each marked answer and report any item that may be outdated or unclear.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

421. The sum of powers of deviation from mean is zero is called __________?
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A. Normal

B. Mean

C. Skewed

D. Lack

422. condition for applying Central Limit Theorem (CLT) which approximate the sampling distribution of the mean with a normal distribution is ?
0

A. N(1 p) > 5

B. n > 30

C. 2 n 5

D. N < 30

423. Lowest value of variance can be____________?
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A. 0

B. 3

C. -1

D. 1

424. Mean of the binomial distribution is ______________?
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A. Non of these

B. nP

C. Pq

D. xm

425. The Index number are used to measure seasonal and cyclical variations in ____________?
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A. Relatives

B. Wholesale

C. commodities

D. Time series

426. Parameter is a _________ quantity?
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A. Variable

B. All of above

C. Constant

D. Non of these

427. To perform a Runs test for randomness the data must be_______________?
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A. Qualitative

B. Divided into at least two classifications

C. Divided into exactly two classifications

D. Quantitative

428. ________ is the simplest means of dispersion?
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A. Standard deviation

B. C.V.

C. Variation

D. Range

429. The Laspeyres price index_____________?
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A. Regards the base year price as fixed

B. non of these

C. Regards the base year quantities as fixed

D. Regards the current year quantities as fixed

430. The Runs test results in rejecting the null hypothesis of randomness when______________?
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A. None of these

B. Either of the above

C. There is an unusually small number of runs

D. There is an unusually large number of runs

431. Absolute sum of deviations is minimum from _______________?
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A. Coefficient of variance

B. S.D. of x

C. Mean

D. Normal

432. In a binomial probability distribution it is impossible to find______________?
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A. P(X < 0)

B. P(X = 0)

C. p(0 ? X? n)

D. P(X > 0)

433. Which of the following case is true for hyper geometric distribution________________?
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A. Probability remains constant for all the trials.

B. Probability changes from trial to trial

C. Successive trial are dependent

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

434. If p= 0.1 and n = 400 then mean _______________?
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A. 40

B. 60

C. 20

D. 30

435. Weighted Index number can be classified into _________ categories?
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A. Four

B. Five

C. Three

D. Two

436. H.M. _____ G.M. _______ A.M?
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B. >

C. ?

D. ?

437. ___________ is a value of sample statistics?
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A. Estimate

B. Numerical

C. Estimator

D. Probability

438. In a binomial distribution the probability of ___________ changes from trial to trial?
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A. Success

B. Failure

C. Experiment

D. Out come

439. The critical value of a test statistic is determined from_____________?
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A. The sampling distribution of the statistics assuming Null Hypothesis

B. calculations based on many actual repetitions of the same Experiment

C. The sampling distribution of the statistic assuming Alternative Hypothesis.

D. Non of these

440. _________ is an estimate expressed by a single value?
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A. Point estimator

B. C.I.

C. Parameter

D. Point estimate

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