basic statistics MCQs – Page 6

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

basic statistics Mcqs

101. Geometric means of X1 and X2 is________________?
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A. X1????+X2????

B. X1+X2x

C. X1+X2????????

D. X1+X2

E. X1X2????????

102. Results obtained by counting are_____________?
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A. Continuous

B. Discrete

C. Both (a) and (b)

D. None of these

103. Which sampling technique is appropriate when there is homogeneity in population?
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A. Stratified sampling

B. Cluster sampling

C. Systematic sampling

D. Simple random sampling

104. Data regarding opinions of consumers about some product obtained through lady workers are ____________?
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A. Primary

B. Secondary

C. Cheapest method

D. Existing Sources

105. The average of first n natural numbers is_______________?
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A. All of the above

B. n2

C. n+12

D. None of these

106. Lack of symmetry is called_______________?
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A. Relative Dispersion

B. Absolute Dispersion

C. Skewness

D. Non of these

107. For Mesokurtic curve of the distribution, ?2 is__________________?
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A. 3

B. None of these

C. 3

D. Zero

108. When the word random variable use in statistics it must have?
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A. Probability distribution

B. None of these

C. Variable

D. Values

109. Which of the following describe the middle part of a group of numbers ?
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A. Measure of Central Tendency

B. Measure of Shape

C. Measure of Association

D. Measure of Variability

110. Usually measurements give rise to ________ data?
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A. Discrete

B. Continuous

C. Specific

D. Constant

111. If the standard deviation of the values 2, 4, 6, 8 is 2.58, then the standard deviation of the values 4, 6, 8, 10 is_______________?
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A. 0

B. 2.58

C. 4.66

D. 5

E. 2.33

112. The sum of squares of deviation is least if measure from__________?
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A. Mean

B. Mode

C. Variance

D. Median

113. Data in the Population Census Report is____________?
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A. Primary data

B. Arrayed data

C. Grouped data

D. Ungrouped data

E. Secondary data

114. Sum of deviations will be zero if it is taken from_________________?
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A. Mode

B. Mean

C. Median

D. Standard Deviation

115. Single numerical fact is called________?
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A. Point

B. Datum

C. Data

D. Statistic

116. If the third moment about mean is zero then distribution is_______________?
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A. Mesokurtic

B. Positively Skewed

C. Symmetrical

D. Negatively Skewed

117. A constant variable can take values______________?
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A. Zero

B. Nothing

C. Not fixed

D. Fixed

118. The variance of a constant is_______________?
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A. a

B. Constant

C. None

D. Zero

119. _____________is used to compare the variation or dispersion in two or more sets of data even though they are measured in different units?
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A. Range

B. Coefficient of Variation

C. Mean Deviation

D. Standard Deviation

120. making a entrance slip in service hospital is the method of collection of data by______________?
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A. Correspondents

B. Entry

C. Registration

D. none of these

Showing 101 to 120 of 172 mcqs