Answer
$H_{o}: β = 0$
$H_{a}: β \ne 0$
Using the values in output, we have:
$t = \frac{274.78-0}{88.18} = 3.12$
Using Table C of the book for df = 10, we have:
0.005 < P < 0.01
Since P < 0.05, we will reject the Null Hypothesis
Work Step by Step
Given above