statistics MCQs – Page 59

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 Review each marked answer and report any item that may be outdated or unclear.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

1161. Statistical Laws are valid in the ________________?
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A. Plural sense

B. indefinite

C. Short run

D. Long run

1162. Correlation coefficient is__________?
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A. Absolute measure

B. Relative measure

C. Both a and b

D. None of the above

1163. In regression the sign of (Bs) and (r)?
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A. Same

B. Change

C. Differ

D. None of these

1164. The range of partial correlation coefficient?
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A. 0to-1

B. -1to1

C. 0to1

D. 0 to infinity

1165. If (Bxy>1)then (Byx)?
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A. Remain same

B. Less than 1

C. Greater than 1

D. No effect

1166. When r is zero than both regression coefficients are________?
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A. 2

B. 0

C. 1

D. Infinity

1167. Regression analysis is an_______?
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A. olute measure

B. ative measure

C. h a and b

D. e of these

1168. If the sampled population has a normal distribution, when is the sampling distribution of the sample mean X also a normal distribution ?
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A. Only when the sample size is smaller than 30

B. Only when the sample size is at least 100.

C. Always

D. Only when the sample size is at least 30.

1169. A sample estimate is used to describe a characteristic of a_____________?
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A. Sample

B. Data

C. Population

D. None

1170. In the sampling without replacement a sampling unit can be selected_______________?
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A. None of these

B. More than once

C. Less than once

D. Only Once

1171. There are ____________ probability sampling?
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A. Six

B. Three

C. Four

D. Seven

1172. Non-sample errors are reduced by:________________?
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A. None of these

B. Decreasing the sample standard deviation

C. Increasing the sample size

D. Reduced the amount of data

1173. Which of the following is impossible in sampling ?
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A. To make voters lists

B. Destructive tests

C. None of these

D. Heterogeneous data

1174. The smallest individuals which constitute the entire population are called __________________?
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A. Sample design

B. Sampling units

C. Sampling frame

D. Sample pop

1175. 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)

1176. The difference between statistics and parameter is called:______________?
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A. Bias

B. Standard

C. Sampling error

D. both (a) and (b)

1177. Another name of word population is_________?
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A. None of these

B. Universe

C. Whole

D. Individuals

1178. Which sampling procedure we prefer if population is heterogenous?
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A. None of these

B. Stratified sampling

C. Simple random sampling

D. Cluster sampling

1179. Probability distribution of a statistics is called_________________?
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A. Sampling

B. Parameter

C. Data

D. Sampling distribution

1180. In sampling with replacement be t a sampling unit can selected________________?
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A. None

B. Less than once

C. Only once

D. More than once

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