MCQOPTIONS
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| 1. |
For the variables x and y, the two regression lines are 6x + y = 30 and 3x + 2y = 25. What are the values of x̅, y̅ and r respectively? |
| A. | \(\frac{{20}}{3},\frac{{35}}{9},\; - 0.5\) |
| B. | \(\frac{{20}}{3},\frac{{35}}{9},\;0.5\) |
| C. | \(\frac{{35}}{9},\frac{{20}}{3},\; - 0.5\) |
| D. | \(\frac{{35}}{9},\frac{{20}}{3},\;0.5\) |
| Answer» D. \(\frac{{35}}{9},\frac{{20}}{3},\;0.5\) | |