. The side effects of a new drug are being tested against a placebo. A simple random sample of 565 patients yields the results below. At a significance level of ?? = 0.10, is there enough evidence to conclude that the treatment is independent of the side effect of nausea? Result Drug Placebo Total Nausea 36 13 49 No nausea 254 262 516 Total 290 275 565 The null hypothesis ??0: The alternative hypothesis ????: The level of significance ?? = The degrees of freedom: The test statistic: The critical value: Decision:
1. The side effects of a new drug are being tested against a placebo. A simple random sample of 565 patients yields the results below. At a significance level of ?? = 0.10, is there enough evidence to conclude that the treatment is independent of the side effect of nausea?
|
Result |
Drug |
Placebo |
Total |
|
Nausea |
36 |
13 |
49 |
|
No nausea |
254 |
262 |
516 |
|
Total |
290 |
275 |
565 |
- The null hypothesis ??0:
- The alternative hypothesis ????:
- The level of significance ?? =
- The degrees of freedom:
- The test statistic:
- The critical value:
- Decision:
2. After calculating the data and test of independence. What to do with the data we’ve gathered? How is the data important in making decisions?
Rubic for scoring:
|
Criteria |
Performance Indicators |
Points |
|
Content |
Provided pieces of evidence, supporting details, and factual scenarios |
6 |
|
Grammar |
Used correct grammar, punctuation, spelling, and capitalization |
1 |
|
Organization of ideas |
Expressed the points in clear and logical arrangement of ideas in the paragraph |
2 |
|
Format |
Adhered to the required style/appearance |
1 |
|
Total |
10 |
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