451. In hypergeometric distribution, the trial are:_______________?
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A. Collectively Exhaustive

B. Dependent

C. None

D. Independent

452. If y= bx + c the range of y is ________?
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A. Quartile of X

B. Range of P

C. Range of x

D. Zero

453. The process of dividing a heterogeneous_____________?
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A. Random Sampling

B. Random digit

C. Cluster

D. Stratification
455. 1 ? is the probability of_____________?
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A. Rejection Region

B. Type-II Error

C. Type-I error

D. Acceptance Region
456. Sampling errors are reduced by:___________________?
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A. Increasing population s.d.

B. Increasing the sample size

C. None of these

D. Decreasing the sample size

458. The Estimation and testing of hypothesis are main branches of ________________?
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A. Statistical Inference

B. Regression

C. Probability distribution

D. Sampling

462. The binomial distribution is symmetrical when:______________?
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A. P > q

B. P = 1/2

C. Probability of success & probability of failure are equal

D. Both (b) & (c) but not (a)
463. The values that separate the region of rejection and acceptance region are called _______________?
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A. Confidence limits

B. Critical value

C. Confidence boundaries

D. None of these

465. A simple aggregate quantity index is used to______________?
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A. Measure the overall change in price of a range of products

B. Measure the change in price of a product

C. Measure the overall change in quantity of range of product.

D. Measure the change in quantity of product

467. The Mann-Whitney U test is preferred to a t-test when____________?
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A. The assumption of normality is not met

B. Sample are dependent

C. Data are paired

D. Sample sizes are small

468. Mean deviation is equal to 4/5 of the _________ manipulation?
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A. Quartile deviation

B. Variance

C. Range

D. Standard deviation
470. The t distribution are_____________?
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A. Symmetrical

B. Skewed

C. None of these

D. Same as Normal Curve

471. Link relative = ________________?
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A. Pn/Po x 100

B. Pn/ Pn-1 x100

C. Pn/Po x 100

D. Pn/P1 x 100

473. Analysis of Variance (ANOVA) is a test for equally of______________?
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A. Only two parameters

B. Variances

C. Proportions

D. Means

474. An Index number which measure the change of a _____ is called Aggregative 1. No?
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A. Goods consumed

B. Retail price

C. Industrial activity

D. Cost of living
475. The sign test assumes that the_______________?
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A. Sample are dependent

B. Samples have same mean

C. The Wilcoxon Signed Rank test is used

D. Samples are independent

476. In testing for the difference between two populations, it is possible to use____________?
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A. Either of the above

B. The Sign test

C. None of the above

D. The Wilcoxon Rank-Sum test

477. For a population with any distribution, the form of the sampling distribution of the sample mean is_____________?
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A. Always normal for all sample sizes

B. Always normal for large sample sizes

C. Sometimes normal for all sample sizes

D. Sometimes normal for large sample sizes

478. In binomial distribution n=6 and p=0.9, then the value of______________?
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A. P(X=7) is

B. More than zero

C. Zero

D. Less than zero

E. One

479. what is the probability of a type II error when ?=0.05 ?
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A. 0.95

B. 0.025

C. 0.05

D. Cannot be determined without more information
480. A scaling factor is used to_________________?
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A. Convert the Paasche index to a Laspeyres index

B. change an aggregate index to a weighted index

C. Change a simple index to a weight index

D. Change the base year
482. If y= ax + b the S.D. of y is _______________?
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A. Minimum

B. Mean Deviation of x

C. S.D. of x

D. Maximum

483. If n = 400 and P=.69 then 90% C.I for P is _________________?
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A. .314 and .652

B. .798 and .745

C. None of these

D. 652 and . 728
486. If we reject the null hypothesis, we might be making____________?
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A. Unpredictable

B. A correct Decision

C. Type-II Error

D. Type-Error

487. Which of the following is not a requirement for binomial distribution ?
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A. Equally likely outcomes

B. A fixed number of trials

C. Constant Probability of Success

D. Only two possible outcomes

488. If y = bx + a the mean deviation of y is_____________?
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A. S.D. of y

B. M.D.of x

C. S.D. of x

D. var (x)

489. Consistency of an estimator can be checked by comparing____________?
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A. mean Square Error

B. Variance

C. Mean

D. Standard Deviation

491. An Index Number calculated for more than one items is called ___________?
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A. Consumer Index Number

B. Chain Indices

C. Simple Aggregation 1. Number

D. Sensitive Price Index number

492. When testing for randomness, we can use_____________?
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A. None of these

B. Runs test

C. D Mann-Whitney U test

D. Sign test

493. The variance of binomial distribution is always:________________?
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A. Equal to standard deviation

B. None of these

C. Equal to mean

D. Greater than mean

E. Less than mean
496. The index number of base period is always:_______________?
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A. 200

B. None of these

C. The price of that year

D. 100
497. The hypothesis which is being tested is called ___________________?
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A. Composite hypothesis

B. Alternative hypothesis

C. Simple hypothesis

D. Null hypothesis