A researcher has developed the regression equation ŷ = 2.164 + 1.3657x, where n = 6, the mean of x is 8.667, SS_xx= 89.333, and S_e= 3.44.The researcher wants to test if the slope is significantly positive, and he chooses a significance level of 0.05.The critical t value is ______. A)2.776 B)2.132 C)2.015 D)1.943 E)1.782

Question

Quizplus · Accepted Answer

The critical t value for a two-tailed test with n-2 = 4 degrees of freedom at a significance level of 0.05 is 2.132.

A Researcher Has Developed the Regression Equation ŷ = 2