A random survey of autos parked in the student lot and the staff lot at a large university classified the brands by country of origin, as seen in the table. Are there differences in the national origins of cars driven by students and staff?
|
|
Driver
|
|
Student
|
Staff
|
|
Origin
|
American
|
107
|
105
|
|
European
|
33
|
12
|
|
Asian
|
55
|
47
|
a) Is this a test of independence or homogeneity?
b) Write appropriate hypotheses.
c) Check the necessary assumptions and conditions.
d) Find the P-value of your test.
e) State your conclusion and analysis.