Elements of Statistics Mcqs

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ELEMENTS OF STATISTICS

MCQS: 28 JANUARY 2022

1. The logical listing of related quantitative data in vertical columns and horizontal rows of numbers is called _________.  

A. Classification 

B. Tabulation 

C. Collection of data 

D. Analysis of data 

2. Which of the following statements is true? 

A. Mean is not rigidly defined 

B. Mean is not affected due to extreme values. 

C. Mean is capable of further mathematical treatment. 

D. Mean is geometric mean of median and mode 

3. Relative frequency is obtained by ________.  

A. Frequency of class/Class interval 

B. Frequency of class/ Total frequency 

C. Frequency of class x Class interval 

D. Frequency of class x Total frequency 

4. More than cumulative values are plotted against ________ in Ogive.

A. Class limits

B. Lower limits of classes

C. Mid values of classes

D. Upper limits of classes

5. 'Number of people arriving at petrol Pump on particular day' is an example of ________ amount of petrol consumed is and ________. 

A. Attribute, Continuous variable

B. Discrete Variable, Continuous variable

C. Continuous variable, Attribute

D. Categorical variable, Attribute

6. Which of the following is not function of statistics? 

A. Statistics study the relationships between different phenomena. 

B. Statistics indicate trend behaviour. 

C. Statistical results are true only on an average 

D. Statistics measure uncertainty 

7. Mode=Mean-? (Mean - Median) 

A. 1/2 

B. 1/3  

C. 3 

D. 2/3 

8. Column heading in statistical table is term as ________. 

A. Body

B. Caption

C. Attribute

D. Stub

9. If the data are classified into only two classes with respect to an attribute like presence of absence, the classification is called __________.

A. Quantitative classification

B. Simple classification 

C. Geographical classification

D. Manifold classification

10. For a certain data set Maximum observation is 76, minimum observation is 12 and 8 classes to be constructed, then appropriate class Interval is _________. 

A. 9

B. 10

C. 8

D. 12

11. The third central moment is zero then distribution is ________. 

A. positively skewed

B. negatively skewed

C. symmetric

D. can not be determine

12. For a sample of size 60 how many classes can be constructed?

A. 2

B. 4

C. 5 

D. 6

13. For distribution, the mean is 10, variance is 9, β1 is +1 then third central moment is _________. 

A. 810

B. 729

C. 900

D. 27

14. If Second and Fourth Central Moments of a distribution are 4 and 64 respectively then the distribution is said to be _________.

A. meso kurtic

B. lepto kurtic

C. platy kurtic

D. normal

15. For drawing Histogram for unequal classes frequency distribution _____ should be taken on X-axis.

A. Relative frequencies

B. Frequencies

C. Frequency density 

D. Class limits

16. Statistics is defined in terms of statistical methods in the __________. 

A. Singular Sense

B. Plural Sense

C. Data sense

D. Natural sense

17. The mean of 10 observations is 20 and variance is 36 then coefficient of variation is _________ %.

A. 180

B. 55.55

C. 30 

D. 33.33

18. The data obtained by conducting a survey is called ________. 

A. Primary data

B. Secondary data

C. Continuous data

D. Qualitative data

19. Positive Skewness is present in the distribution if ________. 

A. mean > Median > Mode

B. mean < Median < Mode

C. Q2 - Q1 = Q3 - Q2 

D. mean=Median=Mode

20. Average speed of a car can be obtained by _________. 

A. arithmetic mean

B. geometric mean

C. harmonic mean 

D. median

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