basic statistics MCQs – Page 2

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

basic statistics Mcqs

21. The mean of a distribution is 14 and the standard deviation is 5. What is the value of the coefficient of variation ?
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A. 48.30%

B. 35.7%

C. 27.80%

D. 60.40%

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

B. 2.5

C. 5.5

D. 20

E. 0

23. Age of a shopkeeper is the example of___________?
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A. Quantitative data

B. Continuous data

C. Qualitative

D. Variable data

24. The sum of squared deviation is least from_________________?
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A. Standard Deviation

B. Mode

C. Median

D. Mean

25. Sum of dots when two dice are rolled is____________?
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A. a constant

B. a qualitative variable

C. a continuous variable

D. a discrete variable

26. If ?2=m4m22<3, the distribution is called______________?
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A. Mesokurtic

B. Normal

C. Leptokurtic

D. Platykurtic

27. If right tail is longer than left tail then distribution is called _________________?
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A. Positively Skewed

B. Negatively Skewed

C. All of above

D. None of these

28. If any of the value in data set is zero then it is not possible (i.e. impossiblE. to compute_______________?
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A. Geometric Mean

B. Harmonic Mean

C. Median

D. Mean

E. Mode

29. Second moment about mean is_______________?
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A. Standard Deviation

B. None of these

C. Variance

D. Coefficient of Variation

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

B. Bayesian Statistics

C. Descriptive Statistics

D. Inferential Statistics

E. Advanced Statistics

31. Another name of word population is_________?
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A. Universe

B. None of these

C. Individuals

D. Whole

32. The sum of values divided by their number is called___________?
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A. Median

B. None of these

C. Mean

D. Mode

E. Harmonic Mean

33. Which of the following Measure of averages is affected by extreme (very small or very largE. values in data set?
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A. Mode

B. Median

C. Geometric Mean

D. Harmonic Mean

E. Arithmetic Mean

34. Statistics is the backbone of_____________?
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A. Research

B. Mathematics

C. Computer

D. Economics

35. Data published by Bureau of statistics in its publications are _______________?
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A. Continuous data

B. Discrete data

C. None

D. Secondary data

36. The mean of 10 numbers is 9, then sum of these numbers will be__________________?
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A. 90

B. 9

C. 70

D. 0.9

37. For a symmetrical distribution approximately 68% of the cases are included between _________________?
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A. None of these

B. X?S and X+S

C. X?2S and X+2S

D. X?3S and X+3S

38. Arithmetic mean of two positive numbers X and Y is_________________?
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A. 2a2

B. (a+b)/2

C. 2a+b

D. ab2

E. a?b2

39. ___________ data are collected for the first time.
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A. Secondary

B. Primary

C. Research

D. Statistical

40. The most repeated (popular) value in a data set is called___________?
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A. Harmonic Mean

B. Mode

C. Geometric Mean

D. Mean

E. Median

Showing 21 to 40 of 172 mcqs