In a Linear Regression Model, the Competing Hypotheses Take All $\beta$

Multiple Choice

In a linear regression model, the competing hypotheses take all but which form?

A) H₀: $\beta$ _j = $\beta$ _{j0 and} H_A: $\beta$ _j $\neq$ $\beta$ _j0
B) H₀: $\beta$ _j $\le$ $\beta$ _{j0 and} H_A: $\beta$ _j > $\beta$ _j0
C) H₀: $\beta$ _{j $\ge$} $\beta$ _{j0 and} H_A: $\beta$ _j < $\beta$ _j0
D) H₀: $\beta$ _{j >} $\beta$ _{j0 and} H_A: $\beta$ _j $\neq$ $\beta$ _j0