Students in an introductory college economics class were asked how many credits they had earned in college and how certain they were about their choice of major.Their replies are summarized below. For a chi-square test of independence,which is the critical value for α = .05?
A)5.991
B)7.815
C)9.488
D)16.92

Question

Students in an introductory college economics class were asked how many credits they had earned in college and how certain they were about their choice of major.Their replies are summarized below.  For a chi-square test of independence,which is the critical value for α = .05?
A)5.991 
B)7.815 
C)9.488 
D)16.92

Quizplus · Accepted Answer

The critical value for a chi-square test of independence with a significance level of α = .05 and df= 4 (3 rows - 1 and 2 columns - 1) is 9.488. Therefore, choice (C) is the best answer. The other choices are either too small or too large for the given significance level and degrees of freedom.

Students in an Introductory College Economics Class Were Asked How