Statistics is a section of mathematics that manages the collection, interpretation, analysis and presentation of different numerical data. In other words, Statistics is a collection of quantitative data. Academic task offering 2000+ Statistics MCQs for the preparation of different schools, colleges, and universities examinations to get good marks. Solved statistics question and answer cover multiple topics such as basic statistics mcqs, sampling mcqs, probability mcqs, Probability distributions, correlation and regression analysis, sampling distributions Techniques, statistical inference, time-series analysis, data presentation mcqs, statistical software mcqs, index numbers mcqs, design of experiments mcqs, statistical quality control, random variables mcqs, Non-Parametric statistics mcqs – and much more. These statistic multiple choice questions are also helpful for the preparation of various interviews, entrance examinations, other competitive examinations, and jobs like PPSC Statistics Lecturer’s jobs, Statistical Officers, Data Entry Operator, etc. for all Experienced, Freshers and Students. Also, check MCQs on Agriculture here.

111. The measure of Dispersion can never be________________?

A. Positive
B. Negative
C. 0
D. 1

112. The standard deviation is always _________ than mean deviation?

A. Greater
B. Less
C. Equal
D. None

113. The variance of 5 numbers is 10. If each number is divided by 2, then the variance of new numbers is______________?

A. 20
B. 5
C. 2.5
D. 5.5
E. 0

114. Suppose for 40 observations, the variance is 50. If all the observations are increased by 20, the variance of these increased observation will be______________?

A. 50
B. 70
C. 50/20
D. 50-20 = 30
E. 50

115. Var(2X+3) is________________?

A. 5 Var(X)
B. 4 Var(X)
C. 4 Var(X)+3
D. 5 Var(X)+3

116. ______________is based on all observations of data?

A. Median
B. Mode
C. Mean
D. None of these

117. If right tail is longer than left tail then distribution is called _________________?

A. Negatively Skewed
B. Positively Skewed
C. All of above
D. None of these

118. Lack of symmetry is called_______________?

A. Absolute Dispersion
B. Relative Dispersion
C. Skewness
D. Non of these

119. The first moment about means is always_________________?

A. Zero
B. 1
C. Negative
D. None of these

120. If mean is 25 and standard deviation is 5 then C.V (Coefficient of variation) is_______________?

A. 100%
B. 25%
C. 20%
D. None of these

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