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

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

381. For t distribution, increasing the sample size, the affect will be on ?
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A. Degrees of Freedom

B. The t-ratio

C. All Above

D. Standard Error of the Means

382. For a binomial distribution?
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A. n must assume a number between 1 and 20 or 25

B. p must be a multiple of 10

C. There must be at least 3 possible outcomes

D. None of these
383. In binomial distribution the probability of success remains __________ from trial to trial?
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A. Constant

B. Probability

C. Varies

D. Four

384. Price in proceeding year used in the method is called __________?
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A. Volume

B. Chain Method

C. Fixed Method

D. Aggregation Method

385. The mean of binomial distribution is:__________________?
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A. npq

B. np

C. ?np

D. nq?

E. ?npq

386. Fishers ideal index number is also obtained by _______________?
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A. Taking A.M. of Laspeyres and Paasches index

B. Taking G.M. of Laspeyres and Paasches index

C. Both (a) and (b)

D. None of these

387. Since E(X) _______X is said to be unbiased estimator of the population mean?
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A. Q

B. X

C. u

D. Ux

388. if Var(?)?0 as n ? 0, then ? is said to be______________?
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A. Sufficient

B. Unbiased

C. Efficient

D. Consistent
389. Second moment about mean is always equal to _____________?
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A. S.D.

B. Variance

C. C.V.

D. Square

390. All Index numbers are not suitable for all _________________?
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A. Price

B. Chain relative

C. Purpose

D. Kind

391. Qon means _________ for the given year?
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A. Quantity Index

B. Commodity

C. Quantity in current

D. Price

392. 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

393. Criteria to check a point estimator to be good are_____________?
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A. Consistency

B. Efficiency

C. All Above

D. Unbiasedness

394. The mean and variance of binomial distribution are ______________?
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A. None

B. Unequal

C. Equal

D. Symmetrical

395. The lack of uniformity is called ______________?
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A. X= 5

B. variation

C. Lack

D. Skewness
396. which is poor measure of dispersion in open-end distribution ________________?
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A. None of these

B. Semi-inter quartile range

C. Quartile- deviation

D. Range
397. (q + p) has variance is ______________?
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A. 7 pq

B. npq

C. 3 pq

D. 6 pq

398. A sample of 92 observations is taken from an infinite population. The sampling distribution of is approximately ?
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A. Normal because of the central limit theorem

B. Normal because the sample size is small in comparison to the population size

C. None of these alternatives is correct.

D. Normal because is always approximately normally distributed

399. If we increase the sample size, it means that it:_________________?
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A. Increases the Standard error

B. Decreases the Standard error

C. Decreases the Standard error

D. Both (a) and (b)
400. For a biased estimator ? of ?, which one is correct_______________?
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A. MSE(?)=Var(?)+Bias2

B. MSE(?)=SD(?)+Bias2

C. MSE(?)=SD(?)+Bias

D. MSE(?)=Var(?)+Bias