statistics MCQs – Page 19

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 Review each marked answer and report any item that may be outdated or unclear.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

361. In binomial experiment, the experiment is repeated ______________?
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A. a large number times

B. n = 100

C. n; where n < 0

D. n; fixed number of times

362. 95% confidence limits for P are _________________?
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A. P1.96?p2q2/n

B. P1.65(pq/n)

C. P1.96 p2q2/?n

D. P2.18?p2q2/n

363. We must arrange the data before calculating ______________?
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A. Mode

B. Median

C. Mean

D. G.M

364. Sampling Error decrease by _______ the sample size?
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A. Decrease

B. Sampling

C. Increase

D. Population

365. Which of the following is not the property of binomial distribution ?
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A. n is fixed

B. Trials are independent

C. Probability of success varies from trial to trial

D. Has two outcomes

366. In binomial experiment, the probability of success is denoted by __________________?
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A. q

B. 1 -P

C. P

D. P

367. Binomial distribution ranges from _______________?
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A. 0 to ?

B. 1 to ?

C. 1 to n

D. 0 to n

368. Which of the following is a true statement for comparing the t distribution with standard normal ?
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A. Greater the degree of freedom, the more the t-distribution resembles the standard normal distribution

B. Non of these

C. The Normal Curve is symmetrical whereas the t-distribution are slightly skewed.

D. The proportion of area beyond a specific value of t is less than the proportion of normal curve

369. The S.D. and variance are ____ of origine?
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A. Change

B. Variance

C. Independent

D. Multiplied

370. The sum of the squares of deviations is the least when measured from____________?
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A. Mode

B. G.M.

C. A.M.

D. Median

371. Binomial distribution has _______ parameter?
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A. 4

B. 2

C. 3

D. 6

372. Which of the following is not a condition of the binomial distribution ?
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A. Have constant probability

B. Trials must be independent

C. Must have at least 3 trials

D. Only 2 possible outcomes

373. The sum of absolute deviations from median is _____?
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A. Least

B. Positive

C. Zero

D. None of these

374. To purchase the fruit, we use the _________ sampling?
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A. Stratified

B. Systematic

C. Judgment

D. Cluster

375. If Skewed distribution the three averages mean, median and mode are ________?
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A. None of these

B. Identical

C. Different

D. Zero

376. The mean of a binomial distribution is always:____________________?
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A. None of these

B. Equal to variance

C. Less than variance

D. Greater than varince

377. In a binomial distribution mean and variance is ________________?
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A. Variance ? mean

B. Mean < variance

C. Variance > mean

D. None of these

378. Sample proportion P is __________ estimator?
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A. None of these

B. Biased

C. Parameter

D. Unbiased

379. The index numbers are used to measure seasonal and cyclical variations in __________?
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A. Commodities

B. Time Series

C. Realtives

D. Whole sale

380. The formula ?pnqn/poqn x100 is used to calculate?
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A. The Paasche quantity index

B. The Laspeyres price index

C. The Laspeyres quantity index

D. The Paasche price index

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