A study involved identical twins where one of the twins smoked and the other twin did not smoke. Researchers determined whether the twins developed heart disease. The data are below. Is there a relationship between smoking and heart disease? Was one of the twins more likely to develop heart disease? Use a 5% level of significance. 1) the appropriate null and alternative hypotheses; 2) the appropriate test; 3) the decision rule; 4) the calculation of the test statistic; and 5) your conclusion including a comparison to alpha or the critical value. Non-Smoker Smoker Heart Disease No Heart Disease Total Heart Disease 33 55 88 No Heart Disease 15 70 85 Total 48 125 173
A study involved identical twins where one of the twins smoked and the other twin did not smoke. Researchers determined whether the twins developed heart disease. The data are below. Is there a relationship between smoking and heart disease? Was one of the twins more likely to develop heart disease? Use a 5% level of significance. 1) the appropriate null and alternative hypotheses; 2) the appropriate test; 3) the decision rule; 4) the calculation of the test statistic; and 5) your conclusion including a comparison to alpha or the critical value. Non-Smoker Smoker Heart Disease No Heart Disease Total Heart Disease 33 55 88 No Heart Disease 15 70 85 Total 48 125 173
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 30PPS
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A study involved identical twins where one of the twins smoked and the other twin did not smoke. Researchers determined whether the twins developed heart disease. The data are below. Is there a relationship between smoking and heart disease? Was one of the twins more likely to develop heart disease? Use a 5% level of significance. 1) the appropriate null and alternative hypotheses; 2) the appropriate test; 3) the decision rule; 4) the calculation of the test statistic; and 5) your conclusion including a comparison to alpha or the critical value.
|
|
Non-Smoker
|
|
|
Smoker
|
Heart Disease
|
No Heart Disease
|
Total
|
|
Heart Disease
|
33
|
55
|
88
|
|
No Heart Disease
|
15
|
70
|
85
|
|
Total
|
48
|
125
|
173
|
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