VBQs Correlation Class 11 Economics with solutions has been provided below for standard students. We have provided chapter wise VBQ for Class 11 Economics with solutions. The following Correlation Class 11 Economics value based questions with answers will come in your exams. Students should understand the concepts and learn the solved cased based VBQs provided below. This will help you to get better marks in class 11 examinations.
Correlation VBQs Class 11 Economics
Very Short Answer Type Questions
Question. What is meant by correlation?
Answer : Correlation is a statistical tool which studies the relationship between two variables.
Question. What is negative correlation?
Answer : The correlation is said to be negative when the variables move in opposite direction.
Question. What is the range of simple correlation coefficient?
Answer : 1 ≤ r ≤ 1
Question. Give two examples of positive correlation?
Answer : (i) Age of husband and age of wife.
(ii) Increase in height and weight.
Question. Give two examples of negative correlation.
Answer : (i) Sale of swollen garments and day temperature.
(ii) Yield of crops and price.
Question. Give two examples of negative correlation.
Answer : (i) Sale of swollen garments and day temperature.
(ii) Yield of crops and price.
Question. Mention the names of different methods for measuring correlation.
Answer : (i) Scatter diagram
(ii) Karl Pearson’s coefficient of correlation.
(iii) Spearman’s Rank correlation.
Question. Mention the principal short coming of Karl Pearson’s coefficient ofcorrelation.
Answer : The value of the coefficient is affected by extreme items.
Question. The unit of correlation coefficient between height in feet and weight in kilograms is
(i) kg / feet
(ii) percentage
(iii) non existent
Answer : Non existent