A chisquare test for independence is being used to evaluate
A chi-square test for independence is being used to evaluate the relationship between two variables, one of which is classified into 3 categories and the second of which is classified into 4 categories. What is the df value for the chi-square statistic?
6
7
10
11
| 6 | ||
| 7 | ||
| 10 | ||
| 11 |
Solution
df = (r-1)(c-1) = 2*3 = 6
