A chi-square test for independence has df = 2. What is the total number of categories (cells in the matrix) that were used to classify individuals in the sample?
a. 2
b. 4
c. 3
d. 6
Answer: d. 6
A chi-square test for independence has df = 2. What is the total number of categories (cells in the matrix) that were used to classify individuals in the sample?
a. 2
b. 4
c. 3
d. 6
Answer: d. 6