The results of a recent study regarding smoking and three types of illness are shown in the following table. Illness Non-Smokers Smokers Totals Emphysema 20 50 70 Heart problem 70 80 150 Cancer 40 40 80 Totals 130 170 300 We are interested in determining whether or not illness is independent of smoking. a. b. c. d. The null hypothesis is to be tested at the 5% level. Determine the critical value for this test. What do you conclude in the context of this problem? e. Determine the p-value and perform the test. Make a conclusion in the context of this problem.
The results of a recent study regarding smoking and three types of illness are shown in the following table. Illness Non-Smokers Smokers Totals Emphysema 20 50 70 Heart problem 70 80 150 Cancer 40 40 80 Totals 130 170 300 We are interested in determining whether or not illness is independent of smoking. a. b. c. d. The null hypothesis is to be tested at the 5% level. Determine the critical value for this test. What do you conclude in the context of this problem? e. Determine the p-value and perform the test. Make a conclusion in the context of this problem.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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The results of a recent study regarding smoking and three types of illness are shown in the following table.
| Illness |
Non-Smokers |
Smokers |
Totals |
| Emphysema |
20 |
50 |
70 |
| Heart problem |
70 |
80 |
150 |
| Cancer |
40 |
40 |
80 |
| Totals |
130 |
170 |
300 |
We are interested in determining whether or not illness is independent of smoking.
| a. | |
| b. | |
| c. | |
| d. | The null hypothesis is to be tested at the 5% level. Determine the critical value for this test. What do you conclude in the context of this problem? |
| e. | Determine the p-value and perform the test. Make a conclusion in the context of this problem. |
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