A study is designed to investigate whether there is a difference in response to various treatments in patients with Rheumatid arthritis. The outcome is the patient's self reported effect of treatment. The data are shown below. Is there a significnt difference in effect of treatment? Run the test at a 5% level of significance. Symptoms worsened no effect symptoms total improved Treatment 1 22 14 14 50 Treatment 2 14 15 21 50 Treatment 3 9 12 29 50
A study is designed to investigate whether there is a difference in response to various treatments in patients with Rheumatid arthritis. The outcome is the patient's self reported effect of treatment. The data are shown below. Is there a significnt difference in effect of treatment? Run the test at a 5% level of significance.
Symptoms worsened no effect symptoms total
improved
Treatment 1 22 14 14 50
Treatment 2 14 15 21 50
Treatment 3 9 12 29 50
The test hypothesis are,
H0: The patient's self-reported effect of treatment is independent of treatment type.
H1: The patient's self-reported effect of treatment is dependent of treatment type.
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