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Rosiglitazone is the active ingredient in the controversial type 2 diabetes medicine Avandia and has been linked to an increased risk of serious cardiovascular problems such as stroke, heart failure, and death. A common alternative treatment is pioglitazone, the active ingredient in a diabetes medicine called Actos. In a nationwide retrospective observational study of 22,757 Medicare beneficiaries aged 65 years or older, it was found that 259 of the 6,759 patients using rosiglitazone and 539 of the 15,998 using pioglitazone had serious cardiovascular problems. These data are summarized in the contingency table below. Rosiglitazone Pioglitazone Total Cardiovascular problems Yes No 259 6,500 539 15,459 798 a) Write a set of hypotheses comparing the rates for cardiovascular problems for the two treatments. Ho: Pr-Pp 8 HA: P.-PP ? b) Compute the point estimate, the observed difference in rates for cardiovascular problems in the two treatments. Pr-Pp- W Total 6,759 15,998 21,959 22,757 c) Compute the standard error. The standard error is d) Using the point estimate and standard error above, compute the test statistic and two-sided p-value. The test statistic is O The p-value The p-value < .001 (Choose p < .001 for small p-values.)

Rosiglitazone is the active ingredient in the controversial type 2 diabetes medicine Avandia and has been linked to an increased risk of serious cardiovascular problems such as stroke, heart failure, and death. A common alternative treatment is pioglitazone, the active ingredient in a diabetes medicine called Actos. In a nationwide retrospective observational study of 22,757 Medicare beneficiaries aged 65 years or older, it was found that 259 of the 6,759 patients using rosiglitazone and 539 of the 15,998 using pioglitazone had serious cardiovascular problems. These data are summarized in the contingency table below. Rosiglitazone Pioglitazone Total Cardiovascular problems Yes No 259 6,500 539 15,459 798 a) Write a set of hypotheses comparing the rates for cardiovascular problems for the two treatments. Ho: Pr-Pp 8 HA: P.-PP ? b) Compute the point estimate, the observed difference in rates for cardiovascular problems in the two treatments. Pr-Pp- W Total 6,759 15,998 21,959 22,757 c) Compute the standard error. The standard error is d) Using the point estimate and standard error above, compute the test statistic and two-sided p-value. The test statistic is O The p-value The p-value < .001 (Choose p < .001 for small p-values.)

MATLAB: An Introduction with Applications
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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Rosiglitazone is the active ingredient in the controversial type 2 diabetes medicine Avandia and has been linked to an increased risk of serious cardiovascular problems such as stroke, heart failure, and death. A common alternative treatment is pioglitazone, the active ingredient in a diabetes medicine called Actos. In a nationwide retrospective observational study of 22,757 Medicare beneficiaries aged 65 years or older, it was found that 259 of the 6,759 patients using rosiglitazone and 539 of the 15,998 using pioglitazone had serious cardiovascular problems. These data are summarized in the contingency table below. Rosiglitazone Pioglitazone Total Cardiovascular problems Yes No 259 539 a) Write a set of hypotheses comparing the rates for cardiovascular problems for the two treatments. Ho: Pr-Pp ? 8 HA: P-Pp? B Total 6,500 6,759 15,459 15,998 798 21,959 22,757 b) Compute the point estimate, the observed difference in rates for cardiovascular problems in the two treatments. Pr-Pp= c) Compute the standard error. The standard error is d) Using the point estimate and standard error above, compute the test statistic and two-sided p-value. The test statistic is O The p-value The p-value < .001 (Choose p < .001 for small p-values.)
Transcribed Image Text:Rosiglitazone is the active ingredient in the controversial type 2 diabetes medicine Avandia and has been linked to an increased risk of serious cardiovascular problems such as stroke, heart failure, and death. A common alternative treatment is pioglitazone, the active ingredient in a diabetes medicine called Actos. In a nationwide retrospective observational study of 22,757 Medicare beneficiaries aged 65 years or older, it was found that 259 of the 6,759 patients using rosiglitazone and 539 of the 15,998 using pioglitazone had serious cardiovascular problems. These data are summarized in the contingency table below. Rosiglitazone Pioglitazone Total Cardiovascular problems Yes No 259 539 a) Write a set of hypotheses comparing the rates for cardiovascular problems for the two treatments. Ho: Pr-Pp ? 8 HA: P-Pp? B Total 6,500 6,759 15,459 15,998 798 21,959 22,757 b) Compute the point estimate, the observed difference in rates for cardiovascular problems in the two treatments. Pr-Pp= c) Compute the standard error. The standard error is d) Using the point estimate and standard error above, compute the test statistic and two-sided p-value. The test statistic is O The p-value The p-value < .001 (Choose p < .001 for small p-values.)
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