statistics MCQs – Page 62

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 Review each marked answer and report any item that may be outdated or unclear.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

1221. For a binomial distribution?
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A. p must be a multiple of 10

B. None of these

C. There must be at least 3 possible outcomes

D. n must assume a number between 1 and 20 or 25

1222. If mean of the binomial probability distribution is 4.8, then variance of this distribution is :_______________?
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A. 5.3

B. -2.3

C. -4.8

D. 2.3

1223. Which of the following is not the property of binomial distribution ?
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A. n is fixed

B. Has two outcomes

C. Trials are independent

D. Probability of success varies from trial to trial

1224. In binomial experiment successive trials are ______________?
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A. May be inependent or dependent

B. Dependent

C. Independent

D. None of these

1225. Binomial distribution is positively skewed when ______________?
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A. p > q

B. P/q

C. P = q

D. p < q

1226. Binomial distribution is symmetrical when P=_________________?
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A. q

B. 1

C. 2q

D. 1/q

1227. If a Binomial experiment is repeated N times then binomial frequency distribution is. _______________?
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A. N.{n/x}px qn-x

B. N p q

C. N.{nx}px qn-x

D. N.{n/x}p qn-x

1228. Binomial distribution is used when n is ____________________?
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A. Small

B. Normal

C. Large

D. Zero

1229. In a binomial distribution mean and variance is ________________?
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A. Mean < variance

B. Variance > mean

C. None of these

D. Variance ? mean

1230. Mean of the binomial distribution is ______________?
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A. nP

B. Pq

C. xm

D. Non of these

1231. A binomial random variable can assume values from _________ to n?
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A. 0

B. 3

C. 6

D. 2

1232. If p= 0.1 and n = 400 then mean _______________?
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A. 40

B. 20

C. 30

D. 60

1233. Each trial in Binomial distribution has:_________________?
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A. Two Outcome

B. One Outcome

C. Three Outcome

D. Four Outcome

1234. If in binomial distribution p ? q, the distribution is:___________________?
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A. May be positive skewed or negative skewed.

B. Positively skewed

C. Negative skewed

D. None of these

1235. Binomial distribution ranges from _______________?
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A. 0 to n

B. 0 to ?

C. 1 to ?

D. 1 to n

1236. The successive trials are with replacement in:________________?
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A. Binomial distribution

B. None of these

C. Geometric distribution

D. Hpergeometric distribution

1237. In binomial distribution with ________ trials mean is np and variance is npq?
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A. Independent

B. Linear

C. Equal

D. Dependent

1238. In a binomial distribution, n = 10 p= 3/5, its mean is:_________________?
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A. None of these

B. 1

C. 5-Feb

D. 6

1239. The experiment is repeated a _____________ number of times?
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A. Expansion

B. Trial

C. Fixed

D. Times

1240. In hypergeometric distribution, the trial are:_______________?
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A. Independent

B. Collectively Exhaustive

C. Dependent

D. None

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