The regression equation is ? = 29.29 - 0.96X, the sample size is 8, and the standard error of the slope is 0.22. What is the critical value to test the significance of the slope at the 0.01 significance level?
A) z = 2.576
B) t = 3.707
C) t = 3.355
D) t = $\pm$ 3.707

Question

Quizplus · Accepted Answer

The critical value for a two-tailed t-test with 6 degrees of freedom (n-2) at the 0.01 significance level is approximately $\pm$ 3.707.

The Regression Equation Is ? = 29 ±\pm± 3707

The Regression Equation Is ? = 29 $\pm$ 3707