Exhibit 13-5
Below You Are Given a Partial Minitab Output

Multiple Choice

Exhibit 13-5
Below you are given a partial Minitab output based on a sample of 25 observations.
$\begin{array}{lcc}&\text { Coefficient }&\text { Standard Error }\\\text { Constant } & 145.321 & 48.682 \\\mathrm{X}_{1} & 25.625 & 9.150 \\\mathrm{X}_{2} & -5.720 & 3.575 \\\mathrm{X}_{3} & 0.823 & 0.183\end{array}$
-Refer to Exhibit 13-5. Carry out the test of significance for the parameter ?? at the 5% level. The null hypothesis should be

A) rejected
B) not rejected
C) revised
D) None of these alternatives is correct.