statistics MCQs – Page 21

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 Review each marked answer and report any item that may be outdated or unclear.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

401. Binomial distribution is used when ___________ is large?
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A. nq

B. n

C. nP

D. p

402. In grouped data, the range is the difference between ________________?
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A. Two extreme class boundaries

B. Two extreme class frequency

C. None of these

D. Two extreme class limits

403. A list of sampling _________ is called sampling frame?
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A. Point

B. w.r.m

C. w.o.r

D. unit

404. Index Number is an important role in the field of Economic and ________________?
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A. Education

B. Science

C. Intelligence

D. Business

405. Binomial word discovered at the end of ________________?
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A. 17th century

B. 10th century

C. 12th century

D. 14th century

406. The correct variance is define as the __________________?
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A. S.D. of data h2/12

B. varies of data P2/6

C. M.D. of data h2/6

D. Variance of data h2/12

407. The hypergeometric probability distribution is used rather than the binomial or Poisson when the sampling is performed ?
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A. With out replacement from an infinite population

B. With replacement

C. With out replacement from a finite population

D. With replacement from a finite population

408. Which of the following cannot be Ho_________________?
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A. Q ? Qo

B. Q ? Qo

C. Q ? Qo

D. Q = Qo

409. In binomial experiment successive trials are ______________?
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A. May be inependent or dependent

B. None of these

C. Independent

D. Dependent

410. This index measure the change from month to month in the cost of a representative basket of goods and services of the type bought by a typical household?
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A. Laspeyres Price Index

B. Paasche Price Index

C. Retail Price Index

D. Financial time Index

411. If in binomial distribution p ? q, the distribution is:___________________?
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A. May be positive skewed or negative skewed.

B. None of these

C. Positively skewed

D. Negative skewed

412. If E(?)=?, then ? is said to be_______________?
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A. Efficient

B. Unbiased

C. Consistent

D. Sufficient

413. If third moment about mean is equal to zero, then distribution is ______________?
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A. positively skewed

B. Negatively skewed

C. None of these

D. Symmetrical

414. 1. Nos. is a ____ for measuring changes in a variable or a group of related variables?
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A. Cost

B. Device

C. Region of goods

D. variable

415. x=40 is estimator of _________________?
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A. Ux

B. (U)

C. 6

D. 6/?n

416. The successive trials are with replacement in:________________?
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A. Binomial distribution

B. Geometric distribution

C. Hpergeometric distribution

D. None of these

417. A set of jointly sufficient statistic is defined to be minimal sufficient if and only if_______________?
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A. It is a function of any sufficient statistics in the set.

B. It is a function of every other set of sufficient

C. It is not a function of every other set of sufficient statistics.

D. It is a function of some other set of sufficient statistics.

418. Variance of binomial distribution is always:______________?
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A. Less than mean

B. Less than equal to mean

C. Equal to mean

D. Greater than mean

419. The probability of success changes from trial to trial in:___________________?
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A. Hypergeometrical distribution

B. Geometric distribution

C. Binomial distribution

D. Sampling distribution

420. In a Wilcoxon Rank-Sum test__________________?
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A. Ties within one sample may affect the decision

B. Ties never affect the decision

C. Ties always affect the decision

D. Ties between the two sample may affect the decision

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