Tests for Independence and Homogeneity Worksheet with Answer Key

What's on the worksheet

1. For each made-up study, name the chi-square test it calls for (independence or homogeneity) and say why, state H_0 and H_a in context, and give the…
2. A state board takes a separate random sample of 100 graduates from the last three years at each of three trade schools, A, B and C.
3. An auto repair shop has 450 customers due for a service visit this spring.
4. A national survey takes a separate random sample of 5,000 adults in each of four regions and asks whether the adult usually writes a paper shopping…
5. Isabel takes a random sample of 300 adults in a city of about 900,000 adults and records whether each is a morning type, an evening type or neither…