Your local health department performs course on food handling. To estimate this course, you choose the SRS of restaurants from list of licensed restaurants. For these restaurants in your sample, you then search list of violations restaurants with employees who have attended the course in the last 2 years. For 86 sampled restaurants, data can be given as follows.
|
|
|
Violation
|
|
|
Attended Course
|
Yes
|
No
|
Total
|
|
Yes
|
9
|
28
|
37
|
|
No
|
36
|
13
|
49
|
|
Total
|
45
|
41
|
86
|
Use the suitable procedure to test hypothesis of no association between course attendance and occurrence of violation at 0.10 significance level.
Based on these data, explain whether or not course attendance had any effect on determining of a restaurants violation of health code.