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basic statistics MCQs

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

basic statistics Mcqs

1. Whats the largest known Prime Number?
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A. 282,589,933 ? 3

B. None of these

C. 282,589,933 ? 1

D. 282,589,933 ? 5

2. Which hypothesis tell us weather test is one tail or 2 tail?
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A. all of the above

B. simple hypothesis

C. null hypothesis

D. None of these

3. In the plural sense, statistic means____________?
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A. Meteorology

B. Science

C. Data

D. Methods

4. Which of the following statement is not true?
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A. All of these

B. SE cannot be zero

C. SE cannot be one

D. SE cannot be negative

5. The term variance introduced by ___________?
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A. Karl Pearson

B. Ronald Fisher

C. None of these

D. John Tukey

6. The data obtained very first are called:___________?
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A. Secondary data

B. Raw data

C. None of these

D. Primary data

7. If any statistical tool apply on primary data it becomes a__________?
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A. Raw data

B. None of these

C. Primary data

D. Secondary data

8. Who give the concept of standard deviation and CV?
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A. John Tukey

B. All of the above

C. Karl Pearson

D. R.A Fisher

9. Which of the following Measure of Averages is not based on all the values given in the data set?
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A. Arithmetic Mean

B. Geometric Mean

C. Median

D. Mode

E. Both C. and D.

10. The measure of dispersion is changed by a change of_____________?
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A. Scale

B. Origin

C. None

D. Algebraic Signs

11. In descriptive statistics, we study:
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A. How to describe the probability distribution

B. The description of decision making process

C. The methods for organizing, displaying, and describing data

D. None of the above

12. In uni-model distribution, if mode is less than mean_______________?
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A. Negatively Skewed

B. Positively Skewed

C. Symmetrical

D. Normal

13. The word statistics is at present used in _______________?
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A. Two ways

B. Four ways

C. Six ways

D. Three way

14. Marital status of an individual is the example of___________?
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A. Discrete variable

B. Attribute

C. Constant

D. Continuous variable

15. In descriptive statistics, we study______________?
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A. None of the above

B. The description of decision making process

C. How to describe the probability distribution

D. The methods for organizing, displaying, and describing data

16. A measure of dispersion is always ________________?
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A. Infinity

B. Negative

C. Zero

D. Positive

17. Which of these is a relative measure of dispersion_____________?
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A. Variance

B. Standard Deviation

C. None of these

D. Coefficient of Variation

18. If a and b are two constants, then Var(a+bX) is_______________?
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A. (ab)Var(X)

B. b2Var(X)

C. Var(a)Var(X)

D. bVar(X)

E. abVar(X)

19. Life of a T.V picture tube is a____________?
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A. Qualitative variable

B. Discrete variable

C. Constant

D. Continuous variable

20. The sum of the deviations about the mean is always______________?
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A. Range

B. Total Standard Deviation

C. Negative

D. Zero

E. Positive

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