Exhibit 15-5 Below you are given a partial Minitab output based on a sample of 25 observations. -Refer to Exhibit 15-5. Carry out the test of significance for the parameter $\beta$₁at the 5% level. The null hypothesis should be A)rejected B)not rejected C)revised D)None of these alternatives is correct.

Question

Quizplus · Accepted Answer

The t-statistic for $\beta$₁ is -2.33, and the critical value for a two-tailed test at the 5% level is -2.064. Since the absolute value of the t-statistic is greater than the critical value, we reject the null hypothesis.

Exhibit 15-5 Below You Are Given a Partial Minitab Output β\betaβ

Exhibit 15-5
Below You Are Given a Partial Minitab Output $\beta$