statistics MCQs – Page 17

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 Review each marked answer and report any item that may be outdated or unclear.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

321. G.M. between __________ is called to be Fishers Index Number?
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A. Fisher and Paasches

B. Paasches Index Number

C. Laspeyres and Paasches

D. Marshall and Laspeyres

322. Binomial distribution is positively skewed when ______________?
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A. p > q

B. p < q

C. P = q

D. P/q

323. The variance of 5 numbers is 10. If each number is divided by 2, then variance of new number is_____________?
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A. 5

B. 2.5

C. 0

D. 20

324. The weighty system changed with _______________?
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A. Basely

B. Yearly

C. Timely

D. Averagely

325. First moment about origin is always equal to _______________?
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A. variance

B. A.M.

C. None of these

D. Zero

326. An estimator Q is an unbiased estimator of the population parameter Q if ___________________?
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A. E(P) = P

B. E(Q) =Q

C. E(x) =

D. E(Q) =Q

327. if Var(T2)_______________?
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A. Consistent

B. Sufficient

C. Efficient

D. Unbiased

328. A_______ is the specific value of the statistic used to estimate the population parameter?
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A. Estimator

B. None of these

C. C.I.

D. Point estimator

329. Hypergeometric distribution has parameter:_____________________?
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A. 4

B. 2

C. 1

D. 3

E. No

330. Convenience sampling is an example of______________?
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A. No probabilistic sampling

B. Probabilistic sampling

C. Cluster sampling

D. Stratified sampling

331. If _________ then the distribution is positively skewed?
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A. p > q

B. p > 1/2

C. q/p

D. p < q

332. Successive trials in binomial distribution are:__________________?
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A. Dependent

B. Equally Likely

C. Independent

D. Non

E. Mutually exclusive

333. Volume Index in Marshall is ____________?
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A. ?Pn(Po + Pn)/?Pn(Po + Pn) x100

B. Non of these

C. ?Pn(qo + qn)/?Pn

D. ?Pn(Po + Pn)/?Pn(Po + Pn)

334. Binomial probability distribution is denoted by b(x ; n, p), is defined as _______________?
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A. {nx}px qn-x

B. nCxpnqnx

C. {nx}p(1 P)x

D. {nx}px(1 P)x-n

335. Measure the change in quantity of goods are called ________________?
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A. Quantity Index Number

B. Appropriate

C. Simple 1. No.

D. Aggregative 1. No.

336. The object of Index number also determines its _______________?
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A. Special purpose

B. Reliable

C. Index Number

D. Scope

337. Three brands of coffee are rated for tasted on a scale of 1 to 10. Six persons are asked to rate each brand so that there is a total of 18 observations.The appropriate test to tasted equally good is_____________?
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A. Spearman Rank difference

B. Wilcoxon Rank-Sum test

C. One way analysis of variance (ANOVA)

D. Kruskal-Wallis test

338. An index number is used______________?
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A. To measure changes in quantity

B. To measure changes in a variable over time

C. To measure changes in price

D. To measure changes in demand

339. Median = Q2 = D5 =_________________?
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A. P75

B. p50

C. P25

D. P55

340. Which of the formula is used in chain indices: ________________?
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A. ?pn/?po x100

B. pn/po x100

C. pn/pn-1 x100

D. Both (a) and (b) but not (c)

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