A random survey of autos parked in the student lot and the staff lot at a large university classified the brands by county of origin, as seen in the accompanying table. Are there differences in the national origins of cars driven by students and staff? Complete parts a) through e) below.
Driver Vs Origin
Country A : 110 Student 104 Staff
Country B : 34 Student 12 Staff
Country C : 57 Student 46 Staff
a) Is this a test of independence or homogeneity?
A. This is a test of homogeneity because it compares the distribution of driver and country of origin counts on cars.
B. This is a test of homogeneity because it examines the distribution of counts for cars classified according to driver and country of origin.
C. This is a test of independence because it compares the distribution of driver and country of origin counts on cars.
D. This is a test of independence because it examines the distribution of counts for cars classified according to driver and country of origin.