6 a] The following table gives the heights of fathers (x) and sons (y) :
| x | 65 | 66 | 67 | 67 | 68 | 69 | 70 | 72 |
| y | 67 | 68 | 65 | 68 | 72 | 72 | 69 | 71 |
Find the lines of regression and Calculate the coefficient of correlation.
The following table gives the heights of fathers and sons Find the lines of regression and Calculate the coefficient of correlation.