Advertisements
Advertisements
Question
Correlation co-efficient lies between
Options
0 to ∞
–1 to +1
–1 to 0
–1 to ∞
Advertisements
Solution
–1 to +1
APPEARS IN
RELATED QUESTIONS
Find the coefficient of correlation for the following:
| Cost (₹) | 14 | 19 | 24 | 21 | 26 | 22 | 15 | 20 | 19 |
| Sales (₹) | 31 | 36 | 48 | 37 | 50 | 45 | 33 | 41 | 39 |
Calculate the coefficient of correlation for the ages of husbands and their respective wives:
| Age of husbands | 23 | 27 | 28 | 29 | 30 | 31 | 33 | 35 | 36 | 39 |
| Age of wives | 18 | 22 | 23 | 24 | 25 | 26 | 28 | 29 | 30 | 32 |
If r(X,Y) = 0 the variables X and Y are said to be
The correlation coefficient is
The correlation coefficient
The person suggested a mathematical method for measuring the magnitude of linear relationship between two variables say X and Y is
The coefficient of correlation describes
A measure of the strength of the linear relationship that exists between two variables is called:
If both variables X and Y increase or decrease simultaneously, then the coefficient of correlation will be:
State and explain the different kinds of Correlation.
