basic statistics MCQs – Page 8

Practise focused basic statistics questions with marked answers for exam preparation and subject revision.

basic statistics Mcqs
141. When there is 0 in our dataset which mean we cannot calculate?
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A. GM

B. HM

C. AM

D. Both A and B
142. Var(2X+3) is________________?
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A. 4 Var(X)

B. 4 Var(X)+3

C. 5 Var(X)

D. 5 Var(X)+3

143. The first moment about means is always_________________?
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A. Negative

B. 1

C. None of these

D. Zero
144. Arithmetic Mean is___________affected by extreme values?
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A. None of these

B. Less

C. Not

D. Highly
145. Quartile Coefficient of skewness lies between______________?
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A. -1 and +1

B. 0 and 1

C. -1 and 0

D. None of these

146. Use of Statistics in planning is ____________?
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A. Useless

B. Unavoidable

C. Samples

D. Various Methods

147. If 10% is added to each value of variable, the geometric mean of new variable is added by_______________?
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A. 10%

B. 110%

C. 5%

D. 90%

E. No Change

148. Population census is conducted through_______________?
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A. Investigation

B. Sample survey

C. Accounting

D. Complete enumeration
149. Which one is the not measure of dispersion?
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A. Variance

B. Inter-Quartile Range

C. 50th Percentile

D. The Range

150. In Statistics, a population consists of:_____________?
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A. All People living in a country

B. All People living in the are under study

C. None of the above

D. All subjects or objects whose characteristics are being studied
151. When data are collected in a statistical study for only a portion or subset of all elements of interest we are using?
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A. A sample

B. A Parameter

C. A Population

D. Both b and c

152. The Number of road accidents is the example of____________?
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A. Constant

B. Discrete variable

C. variable

D. Continuous variable

153. The word statistics is defined as_____________?
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A. Singular as well as plural sense

B. Non of these

C. Singular Sense

D. Plural Sense

154. Which branch of statistics deals with the techniques that are used to organize, summarize, and present the data?
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A. Inferential Statistics

B. Bayesian Statistics

C. Advance Statistics

D. Descriptive Statistics
155. A chance variation in an observational process is_____________?
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A. Instrument error

B. Random error

C. Measurement error

D. Dispersion/ Variability

156. Census reports used as a source of data is____________?
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A. Primary source

B. secondary source

C. Organized data

D. none

157. Statistics laws are true for______________?
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A. Long run

B. Medium period

C. Short run

D. None of these

158. ____________ is used to criterion of consistency i.e for consistence performance?
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A. Range

B. Coefficient of Variation

C. Mean Deviation

D. Standard Deviation

159. You asked five of your classmates about their height. On the basis of this information, you states the average height of all student in your university or college is 67 inches. This is an example of____________?
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A. Parameter

B. Descriptive statistics

C. Inferential Statistics

D. Population

160. Statistic is a numerical quantity, which is calculated from?
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A. Sample

B. Observations

C. Data

D. Population