You Are Given the Following Information About Y and X

Multiple Choice

You are given the following information about y and x. $$\begin{array} { l l } \text { Dependent Variable } ( y ) & \text { Independent Variable } ( x ) \\5 & 1 \\4 & 2 \\3 & 3 \\2 & 4 \\1 & 5\end{array}$$ The least squares estimate of the slope or b₁ equals

A) 1.
B) -1.
C) 6.
D) -5.