basic statistics Mcqs
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

161. In statistics, a sample means______________?
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A. A portion of the population

B. none of the above

C. A portion of the sample

D. all the items under investigation

162. The collection of numerical facts is called_________?
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A. Raw

B. Statistic

C. Data

D. Datum

163. Statistics tests the law of ____________?
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A. physics

B. Literary subjects

C. Business

D. Other sciences
164. To find the average speed of a journey which is the appropriate measure of central tendency?
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A. Mode

B. Harmonic Mean

C. Geometric Mean

D. Mean

E. Weighted Mean

165. Eyes color of employees is the example of____________?
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A. Constant variable

B. Discrete variable

C. Attribute

D. Continuous variable

166. Which of the following is not based on all the observations ?
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A. Weighted Mean

B. Mode

C. Arithmetic Mean

D. Harmonic Mean

E. Geometric Mean

167. Variance is always calculated from___________?
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A. Geometric Mean

B. Mean

C. Mode

D. Variance

E. Median

168. In a week the prices of a bag of rice were 350 ,280, 340, 290, 320, 310, 300. The range is_____________?
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A. 100

B. 70

C. 60

D. 90

169. In natural Sciences, statistics____________.
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A. Has no role

B. Plays an Important role

C. Study

D. Average

170. The measure of Dispersion can never be________________?
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A. 0

B. Negative

C. 1

D. Positive

171. In statistics, a sample means__________?
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A. A portion of the population

B. None of the above

C. All the items under investigation

D. A portion of the sample

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

B. indefinite

C. Short run

D. Long run