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VBQ for Class 11 Economics Statistics Chapter 7 Correlation
Class 11 Economics students should refer to the following value based questions with answers for Statistics Chapter 7 Correlation in Class 11. These VBQ questions with answers for Class 11 Economics will come in exams and help you to score good marks
Statistics Chapter 7 Correlation VBQ Questions Class 11 Economics with Answers
Very Short Answer Type Questions
Question. If rxy= 0, then the variables x and y are
(i) Linearly related
(ii) not linearly related
(iii) Independent
Answer : Independent
Question. List some variables where accurate measurement is difficult.
Answer : Beauty, bravery, wisdom, ability etc.
Question. Give the meaning of positive correlation.
Answer : The correlation is said to be positive when the variables move together in the same direction
Question. State the type of correlation when two variables change in the same ratio.
Answer : Perfect correlation.
Question. Mention the principal short coming of scatter diagram as a method of estimating correlation.
Answer : Scatter diagram does not indicate the exact numerical value of correlation.
Question. When is rank correlation method used?
Answer : When data are of qualitative nature like beauty, honesty etc.
Question. What is the main demerit of spearman’s rank method?
Answer : This method cannot be employed for finding out correlation in a grouped frequency distribution.
Question. Which method of measuring correlation measures any type of relationship?
Answer : Karl Pearson’s coefficient of correlation.
| CBSE Class 11 Economics VBQs Introduction |
| CBSE Class 11 Economics VBQs Introduction |
| CBSE Class 11 Economics VBQs Organisation of Data |
| CBSE Class 11 Economics VBQs Presentation Of Data |
| CBSE Class 11 Economics VBQs Correlation |
| CBSE Class 11 Economics VBQs Index Numbers |
| CBSE Class 11 Economics VBQs Collection of Data |
| CBSE Class 11 Economics VBQs Measures of Central Tendency |
| CBSE Class 11 Economics VBQs Measures of Dispersion |
VBQs for Statistics Chapter 7 Correlation Class 11 Economics
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