The following table gives the opinion on collective bargaining by a random sample of 200 employees of a school system, belonging to a teachers' union.
Opinion on Collective Bargaining by Teachers' Union
|
|
For
|
Against
|
Undecided
|
Total
|
|
Staff
|
30
|
15
|
15
|
60
|
|
Faculty
|
50
|
10
|
40
|
100
|
|
Administration
|
10
|
25
|
5
|
40
|
|
Column totals
|
90
|
50
|
60
|
200
|
Test the hypotheses
H0 : Opinion on collective bargaining is independent of employee classi?cation versus
Ha : Opinion on collective bargaining is dependent on employee classi?cation using α = 0.05.