statistics MCQs – Page 64

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 Review each marked answer and report any item that may be outdated or unclear.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

1261. If u = 5 and S.D. = 2.5 then Binomial distribution are ________________?
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A. Fair

B. Unequal

C. None of these

D. Wrong

1262. if in a binomial probability distribution mean and variance are 6 and 2.4 respectively, then the parameters of this distribution are:____________________?
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A. n = 10, p = 3/5

B. n = 10, p = 6/10

C. n = 50, p = 6/50

D. n = 10, p = 2/5

1263. Binomial distribution is used when ___________ is large?
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A. n

B. nq

C. p

D. nP

1264. The mean of a binomial distribution is always:____________________?
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A. Less than variance

B. None of these

C. Greater than varince

D. Equal to variance

1265. The variance of binomial distribution is always:________________?
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A. Equal to mean

B. None of these

C. Greater than mean

D. Equal to standard deviation

E. Less than mean

1266. In binomial experiment, the successive trials are _____________?
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A. Related

B. constant

C. independent

D. Dependent

1267. The probability of success changes from trial to trial in:___________________?
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A. Geometric distribution

B. Sampling distribution

C. Hypergeometrical distribution

D. Binomial distribution

1268. Hypergeometric distribution has parameter:_____________________?
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A. No

B. 3

C. 1

D. 2

E. 4

1269. The mean and variance of binomial distribution are ______________?
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A. Unequal

B. Equal

C. None

D. Symmetrical

1270. The mean, median and mode for binomial distribution will be equal when:______________?
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A. None of these

B. p= 0.5

C. p = 1

D. P 0.5

1271. A random variable X has binomial distribution with n = 10 and p = 0.3 then variance of X is:_____________________?
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A. 21

B. 12

C. 10

D. 2.1

E. None

1272. Binomial distribution is negatively skewed when:__________________?
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A. p=0

B. p=1/3

C. p=1/2

D. p>1/2

1273. If 5 dice are rolled 96 times then N. =___________?
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A. 96/5

B. 5

C. 96

D. May-96

1274. Which of the following case is true for hyper geometric distribution________________?
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A. Probability remains constant for all the trials.

B. Probability changes from trial to trial

C. Successive trial are dependent

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

1275. Binomial word discovered at the end of ________________?
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A. 10th century

B. 12th century

C. 17th century

D. 14th century

1276. In binomial distribution n=6 and p=0.9, then the value of______________?
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A. Zero

B. Less than zero

C. P(X=7) is

D. More than zero

E. One

1277. The sum of p and q is always:___________________?
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A. 0

B. None of these

C. 2

D. 1

1278. In a binomial distribution the probability of ___________ changes from trial to trial?
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A. Experiment

B. Out come

C. Success

D. Failure

1279. If mean and variance are not equal then distribution ________________?
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A. None

B. Equal

C. Skewed

D. Symmetrical

1280. (q + p) has variance is ______________?
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A. 3 pq

B. 6 pq

C. npq

D. 7 pq

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