Exhibit 12-3
You are given the following information about y and x.

-Refer to Exhibit 12-3. The least squares estimate of b₁ equals

Question

Exhibit 12-3 You are given the following information about y and x. -Refer to Exhibit 12-3. The least squares estimate of b₁ equals A)1 B)-1 C)-11 D)11

Quizplus · Accepted Answer

Using the least squares method, we find that the slope coefficient b equals -1, and the intercept coefficient a equals 11. Therefore, the estimate of b0 is -a/b, which is (-11)/(-1) = 11. So the correct choice is B.

Exhibit 12-3 You Are Given the Following Information About Y and X