A study was conducted with vegetarians to see whether the number of grams of protein each ate per day was related to diastolic blood pressure. The data are given below. What is the equation of the regression line for the relationship between protein and pressure?
| Grams (x) |
Pressure (y) |
| 4 |
73 |
| 6.5 |
79 |
| 5 |
83 |
| 5.5 |
82 |
| 8 |
84 |
| 10 |
92 |
| 9 |
88 |
| 8.2 |
86 |
| 10.5 |
95 |
A. Y = 64.936 + 2.662x
B. Y = 2.662 + 64.936x
C. Y = -19.272 + 0.315x
D. Y = 0.315 - 19.272x