A doctor studies the side effects of a drug on male and female. Following data was obtained for a random sample of 300 people. Construct the contingency table. Does these data suggest the side effects of the drug and gender are related? Use a=0.05. Identify the parameters, null hypothesis, alternative hypothesis, test statistics, rejection region and conclusion.
|
None
|
Mild
|
Moderate
|
Severe
|
Total
|
|
Male
|
22
|
31
|
48
|
30
|
131
|
|
Female
|
35
|
43
|
63
|
28
|
169
|
|
Total
|
57
|
74
|
111
|
58
|
300
|