A researcher is using a chi-square test to determine whether there are any preferences among 4 brands of orange juice. With alpha = 0.05 and n = 30, the critical region for the hypothesis test would have a boundary of:
A) 7.81
B) 8.71
C) 8.17
D) 42.25

Question

Quizplus · Accepted Answer

The critical value for a chi-square test with 3 degrees of freedom (4 - 1) at alpha = 0.05 is 7.81.

A Researcher Is Using a Chi-Square Test to Determine Whether