A pollster collects the following data for 350 college students.
|
Democratic
|
Green
|
Independent
|
Republican
|
Total
|
|
Freshmen
|
20
|
30
|
25
|
30
|
105
|
|
Sophomore
|
15
|
28
|
30
|
20
|
93
|
|
Junior
|
12
|
20
|
20
|
15
|
67
|
|
Senior
|
15
|
30
|
20
|
20
|
85
|
|
Total
|
62
|
108
|
95
|
85
|
350
|
Using MINITAB test the hypothesis that the voting patterns are similar across year in school. Use a=0.05
-
Identify the parameters
-
Null hypothesis:
-
Alternative hypothesis
-
Test Statistics
-
p-value
-
Conclusion