The doctor would like to know if these data provide convincing evidence that the distribution of responses differs across the treatment groups in the population of all patients like these. What is the appropriate inference procedure?
Answer
A
chi-square test for association/independence because the data come from independent treatment groups
B
chi-square test for homogeneity because the data come from independent treatment groups
C
chi-square test for association/independence because the data come from one random sample
D
chi-square test for goodness of fit because the data come from one random sample