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Class 11 Economics MCQ Chapter 6 Correlation
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Correlation
Chapter: 6
PART – (A) STATISTICS FOR ECONOMICS
| MCQ |
1. Association of two or more variables is measured by:
(a) Dispersion.
(b) Mode.
(c) Mean.
(d) Correlation.
Ans: (d) Correlation.
2. What does correlation measure?
(a) Causation.
(b) Covariation.
(c) Randomness.
(d) None of the above.
Ans: (b) Covariation.
3. Correlation is the study of analysis of:
(a) Uni-variate.
(b) Bi-variate.
(c) Multi-variate.
(d) All of these.
Ans: (b) Bi-variate.
4. Coefficient of correlation lies always between:
(a) 0 and +1.
(b)-1 and+1.
(c) All of the above.
(d) none of these.
Ans: (b)-1 and+1.
5. Correlation between two variables can be:
(a) Negative.
(b) Positive.
(c) Linear.
(d) All of these.
Ans: (d) All of these.
6. Which of the following is a type of graphical representation used in correlation analysis?
(a) Bar chart.
(b) Pie chart.
(c) Scatter diagram.
(d) Histogram.
Ans: (c) Scatter diagram.
7. Relationship between price increase of the commodity and quantity demanded is an example of:
(a) Positive correlation.
(b) Negative correlation.
(c) Linear correlation.
(d) Zero correlation.
Ans: (b) Negative correlation.
8. Maximum value of rank correlation coefficient is:
(a) 2
(b) +1
(c) 3
(d) All of the above.
Ans: (b) +1
9. Negative correlation is also known as:
(a) Direct correlation.
(b) Inverse correlation.
(c) Partial correlation.
(d) None of these.
Ans: (b) Inverse correlation.
10. Which of the following pairs shows a positive correlation?
(a) Price and demand.
(b) Study time and chances of failing.
(c) Income and consumption.
(d) Price of apples and its demand.
Ans: (c) Income and consumption.
11. Coefficient of correlation between + 0.6 to + 0.75 is:
(a) Perfect correlation.
(b) Moderate degree of correlation.
(c) High degree of correlation.
(d) Positive moderate degree of correlation.
Ans: (d) Positive moderate degree of correlation.
12. Relation between price and demand is:
(a) Positive.
(b) Negative.
(c) Reaction.
(d) None of the above.
Ans: (b) Negative.
13. Correlation coefficient is denoted by:
(a) co
(b) r
(c) l
(d) c
Ans: (b) r.
14. The closer the scatter points lie on a scatter diagram, the ____ the correlation.
(a) Lower.
(b) Higher.
(c) Zero.
(d) Negative.
Answer: (b) Higher.
15. The correlation between two variables is called:
(a) Positive correlation.
(b) Negative correlation.
(c) Simple correlation.
(d) Zero correlation.
Ans: (c) Simple correlation.
