statistics MCQs – Page 51

Practise multiple-choice questions from statistics for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

statistics Mcqs

1. sample linear regression 2. normal distribution 3. presentation of data 4. statistical inference 5. measures of location 6. basic statistics 7. correlation and regression 8. sampling 9. binomial and hyper geometric probability 10. index number 11. hypothesis testing 12. measures of dispersion

1001. In uni-model distribution, if mode is less than mean_______________?
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A. Negatively Skewed

B. Positively Skewed

C. Symmetrical

D. Normal

1002. The word statistics is at present used in _______________?
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A. Two ways

B. Four ways

C. Six ways

D. Three way

1003. Marital status of an individual is the example of___________?
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A. Discrete variable

B. Attribute

C. Constant

D. Continuous variable

1004. 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

1005. A measure of dispersion is always ________________?
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A. Infinity

B. Negative

C. Zero

D. Positive

1006. 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

1007. 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)

1008. Life of a T.V picture tube is a____________?
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A. Qualitative variable

B. Discrete variable

C. Constant

D. Continuous variable

1009. 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

1010. 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%

1011. 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

1012. Age of a shopkeeper is the example of___________?
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A. Quantitative data

B. Continuous data

C. Qualitative

D. Variable data

1013. The sum of squared deviation is least from_________________?
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A. Standard Deviation

B. Mode

C. Median

D. Mean

1014. 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

1015. If ?2=m4m22<3, the distribution is called______________?
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A. Mesokurtic

B. Normal

C. Leptokurtic

D. Platykurtic

1016. 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

1017. 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

1018. Second moment about mean is_______________?
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A. Standard Deviation

B. None of these

C. Variance

D. Coefficient of Variation

1019. 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

1020. Another name of word population is_________?
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A. Universe

B. None of these

C. Individuals

D. Whole

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