statistics MCQs – Page 18

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 Review each marked answer and report any item that may be outdated or unclear.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

341. Comparing the times to failure of radar transponders made by firms A, B, and C based on an airlines sample experience with the three types of instruments one may use____________?
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A. Kruskal-Wallis test

B. Kolmogorov-Smirnor test

C. Wilcoxon Rank-Sum test

D. Spearman Rank Correlation test

342. The Wilcoxon, Rank-Sum test used to compares_______________?
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A. Two populations

B. A sample mean to the population mean

C. Three populations

D. Any number of populations

343. When n becomes very large, binomial distribution tends to ______________?
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A. Standard dist

B. Normal dist

C. Hyper-geometric distribution

D. Poisson dist

344. Third quartile = Q3 = ____________?
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A. Median

B. None of these

C. D3

D. P33

345. The mean, median and mode for binomial distribution will be equal when:______________?
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A. p = 1

B. P 0.5

C. None of these

D. p= 0.5

346. Quartile deviation is not capable of manipulation______________?
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A. mathematically

B. Abjectly

C. Easy

D. Algebraic

347. The minimum variance unbiased estimator of the population mean is _______________?
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A. S2/n

B. 6x/?n

C. S/?n

D. 6/?n

348. There are ____________ parameter in Binomial distribution?
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A. n, p

B. n, q

C. n, p, q

D. q, p

349. If the standard deviation of the values 2,4,6,8 is 2.33, then the standard deviation of the values 4,6,8,10 is_____________?
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A. 0

B. 2.58

C. 2.33

D. 4.66

350. Wilcoxon Rank-Sum test can be of_______________?
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A. Either of the above

B. None of the above

C. Upper tailed

D. Lower tailed

351. The most frequent value in data is called ________________?
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A. Median

B. Mode

C. Mean

D. H.M.

352. If the conditional distribution of X1,X2,..Xn given S=s, does not depends on ?, for any value of S=s the statistics S=s(X1,X2,..Xn) is called______________?
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A. Efficient

B. Sufficient

C. Unbiased

D. Consistent

353. The first and starting point in test Hypothesis is ______________?
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A. Test statistics

B. stating H1

C. stating Ho

D. L of significance

354. If 5 dice are rolled 96 times then N. =___________?
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A. May-96

B. 96

C. 5

D. 96/5

355. In a binomial distribution, n = 20 and p = 3/5, then variance of this distribution ______________?
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A. 4.8

B. 60

C. 0

D. 12

356. The experiment is repeated a _____________ number of times?
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A. Times

B. Trial

C. Fixed

D. Expansion

357. Base year quantities are used as weights in _______________?
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A. Laspeyres index

B. None of these

C. Fishers index

D. Paasches index

358. The sum of p and q is always:___________________?
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A. 1

B. 0

C. 2

D. None of these

359. When using the sign test, if two scores are tied, then_____________?
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A. We depends upon the scores

B. We discard them

C. We count them

D. non of these

360. If Ho is stated as Q = Qo< the alternate hypothesis in general stated________________?
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A. Q ? Qo

B. Q Qo

C. None of these

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