Test: Correlation - Commerce MCQ

# Test: Correlation - Commerce MCQ

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## 10 Questions MCQ Test Economics Class 11 - Test: Correlation

Test: Correlation for Commerce 2024 is part of Economics Class 11 preparation. The Test: Correlation questions and answers have been prepared according to the Commerce exam syllabus.The Test: Correlation MCQs are made for Commerce 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Correlation below.
Solutions of Test: Correlation questions in English are available as part of our Economics Class 11 for Commerce & Test: Correlation solutions in Hindi for Economics Class 11 course. Download more important topics, notes, lectures and mock test series for Commerce Exam by signing up for free. Attempt Test: Correlation | 10 questions in 10 minutes | Mock test for Commerce preparation | Free important questions MCQ to study Economics Class 11 for Commerce Exam | Download free PDF with solutions
Test: Correlation - Question 1

### The sign of the correlation is determined by the

Detailed Solution for Test: Correlation - Question 1

The sign of covariance between X and Y determines the sign of the correlation coefficient. The value of r does not contain any unit.

Test: Correlation - Question 2

### Y = a + bX, in the given linear equation, the intercept term is denoted by

Detailed Solution for Test: Correlation - Question 2

Y = a + bX, in linear equation, the intercept term is denoted by a. It is the point at which this line intersect at y-axis.

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Test: Correlation - Question 3

### The value of coefficient of correlation is unaffected by

Detailed Solution for Test: Correlation - Question 3

The value of coefficient of correlation is unaffected by change of origin. Correlation coeffecient always remains between -1 and +1.

Test: Correlation - Question 4

Correlation r contains no unit because

Detailed Solution for Test: Correlation - Question 4

Correlation always studies the relation between two variables. It measures co-variation and not causation.

Test: Correlation - Question 5

Value of r lying outside the range of -1 and +1, indicates

Detailed Solution for Test: Correlation - Question 5

The value of correlation coefficient lies between minus one and plus one. If in any exercise, the value of r is outside this particular range, it definitely indicates an error in calculation.

Test: Correlation - Question 6

A scatter diagram displaying plotted points on an upward sloping straight line denotes that X and Y has

Detailed Solution for Test: Correlation - Question 6

Scatter diagram is a simple visual method for getting some idea about correlation between two variables. A scatter diagram displaying plotted points on an upward sloping straight line denotes a perfect positive correlation between X and Y.

Test: Correlation - Question 7

If the values of a series is divided by a common factor, it is said to be

Detailed Solution for Test: Correlation - Question 7

The value of coefficient correlation remains unaffected by the change in origin and change in scale.

Test: Correlation - Question 8

Qualitative characterstics can be measured through

Detailed Solution for Test: Correlation - Question 8

Statistical series in which variables are not capable of quantitative measurement, the correlation can be measured by Spearman’s rank correlation. It includes qualitative characterstics like, honesty, beauty etc.

Test: Correlation - Question 9

If the values of a series is added by a common number, it is said to be

Detailed Solution for Test: Correlation - Question 9

The value of coefficient correlation remains unaffected by the change in origin and change in scale.

Test: Correlation - Question 10

Correlation coefficient is denoted by

Detailed Solution for Test: Correlation - Question 10

Correlation coefficient is denoted by r. If the two variables X and Y move in the same direction they are said to have positive relationship.

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