Preparing to Conduct Inference for Two-Way Tables — Quiz
Question 1 • Statistics
The principal would like to know if these data provide convincing evidence that the distribution of responses differs across the grades in the population of all students in her school. What is the appropriate inference procedure?
Answer
A
chi-square test for association/independence because the data come from independent random samples
B
chi-square test for goodness of fit because the data come from one random sample
C
chi-square test for homogeneity because the data come from independent random samples
D
chi-square test for association/independence because the data come from one random sample