Economics class 11 Correlation

1. Correlation relates to the direction of change.

2. When we study correlation between only two variables it is called ;

3. The degree of perfect positive correlation is ;

4. “D” denotes the difference between ;

5. The range of simple correlation coefficient is ;

6. The correlation between price of a car and demand of a pen is ;

7. One variable “X” increase and the other variable “Y” decrease, the correlation is ;

8. The value of correlation coefficient lies between ;

9. Graphic method to measure correlation ;

10. Mathematical method to measure correlation ;

11. Mathematical method to measure correlation ;