# CBSE Class 11 Correlation MCQs

## Correlation Class 11 Economics MCQ

Class 11 Economics students should refer to the following multiple-choice questions with answers for Correlation in standard 11. These MCQ questions with answers for Grade 11 Economics will come in exams and help you to score good marks

### Correlation MCQ Questions with Answers

Question : When the relation of three or more variables is studied simultaneously, it is called:
(a) simple correlation
(b) partial correlation
(c) multiple correlation
(d) none of these

Question : When coefficient of correlation lies between +0.25 and + 0.75, it is called:
(a) perfect degree of correlation
(b) high degree of correlation
(c) moderate degree of correlation
(d) low degree of correlation

Question : Coefficient of correlation lies always between:
(a) 0 and +1
(b) -1 and 0
(c)-1 and+1
(d) none of these

Question : Rank correlation is a superior method of analysis in case of ____ distribution.
(a) qualitative
(b) quantitative
(c) frequency
(d) none of these

Question : When two variables change in a constant proportion, it is called:
(a) linear correlation
(b) non-linear correlation
(c) partial correlation
(d) none of these

Question : A scatter diagram:
(a; Is a statistical test
(b) Must be linear
(c) Must be curvilinear
(d) Is a graph of x and y values

Question : Maximum value of rank correlation coefficient is:
(a) 0
(b) +1
(c) -1
(d) None of these

Question : The correlation coefficient will be -1 if the slope of the straight line in a scatter diagram is:
(a) Positive
(b) Negative
(c) Zero
(d) None of these

Question : In a ‘negative’ relationship
(a) As x increases, y increases
(b) As x decreases, y decreases
(c) As x increases, y decreases
(d) Both (a) and (b)

Question : Scatter diagram helps us to:
(a) Find the nature of correlation between two variables
(b) Obtain the mathematical relationship between two variables
(c) Compute the extent of correlation between two variables
(d) Both (a) and (c)

Question : The lowest strength of association is reflected by which of the following correlation coefficients?
(a) 0.95
(b) - 0.60
(c) -0.35
(d) 0.29

Question : Relation between price and demand is:
(a) positive
(b) negative
(c) one to one
(d) no relationship

Question : If the relationship between x and y is positive, as variable y decreases, variable x:
(a) Increases
(b) Decreases
(c) Remains same
(d) Changes linearly

Question : Kari Pearson’s coefficient is defined from:
(a) Ungrouped data
(b) Grouped data
(c) Both (a) and (b)
(d) None of these

Question : When r = 1, all the points in a scatter diagram would lie:
(a) On a straight line directed from lower left to upper right
(b) On a straight line
(c) On a straight line directed from upper left to lower right
(d) Both (a) and (b)

Question : The highest strength of association is reflected by which of the following correlation coefficients?
(a) -1.0
(b) -0.95
(c) 0.1
(d) 0.85

Question : When two variables change in the same direction, then such a correlation is called:
(a) negative
(b) positive
(c) no correlation
(d) all of these

Question : There is a high degree of negative correlation between ‘overweight’ and ‘life expectancy’. A correlation coefficient consistent with the above statement is:
(a) r = 0.80
(b) r = 0.20
(c) r = -0.20
(d) r = -0.80

Question : Correlation coefficient is __________ of the units of measurement.
(a) Independent
(b) Dependent
(c) Both (a) and (b)
(d) None of these

Question : The correlation between sale of cold drinks and day temperature is:
(a) Positive
(b) Negative
(c) Zero
(d) None of these

Question : There is a high direct association between measures of ‘cigarette smoking’ and ‘lung damage’. The correlation coefficient consistent with the above statement is:
(a) 1
(b) Any value
(c) - 1
(d) (b) or (c)

Question : The correlation between ages of husbands and wives is:
(a) Positive
(b) Negative
(c) Zero
(d) None of these

Question : Simple correlation is called:
(a) linear correlation
(b) Nonlinear correlation
(c) Both (a) and (b)
(d) None of these

Question : For finding the degree of agreement about beauty between two judges in a beauty contest, we use:
(a) Coefficient of correlation
(b) Coefficient of rank correlation
(c) Scatter diagram
(d) Coefficient of concurrent deviation

Question : If all the plotted points in a scatter diagram lie on a single line, then the correlation is:
(a) Perfect positive
(b) Perfect negative
(c) Both (a) and (b)
(d) Either (a) or (b)

Question : Correlation coefficient is dependent on the choice of both origin and the scale of observations,
(a) True
(b) False
(c) Both (a) and (b)
(d) none of these

Question : The correlation between sale of woolen garments and day temperature is:
(a) Positive
(b) Negative
(c) Zero
(d) None of these

Question : The correlation between shoe-size and intelligence is:
(a) Zero
(b) Negative
(c) Positive
(d) None of these

Question : What are the limits of the correlation coefficient?
(a) -1 and 1
(b) No limit
(c) 0 and 1, including the limits
(d) -1 and 1, including the limits

Question : If r is the correlation coefficients between the two variables, then:
(a) -1 ≤ r ≤ 0
(b) 1≤ r ≤ 2
(c) -1 ≤ r ≤ 1
(d) 0 ≤ r ≤ 1

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