(Choose 1 answer)
(See picture)
A. -21.5x + 31.17
B. -21.5+31.17x
C. None of the other choices is correct
D. 21.5+31.17x
E. 21.5x+31.17
The height y and base diameter x of four trees of a certain variety produced the following data
x2235 y 31 36 94 127
Find the equation of the estimated regression line y = a + bx ofy on x.
38
