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Unformatted text preview: STA 3024 Assigment 3.(Be sure to use the data correspondind to your UFID) 1. In the late 1980’s, a report circulated in the medical community that as- tonished many who saw it for the first time. The findings of the study made headlines around the country and in the medical community: As- pirin helps decrease by much the risk of heart attack ! Another study involving skeptical physicians around the country was de- signed to put the conclusions of the preceeding report to the test (lit- terally). The physicians involved in this second study where randomly divided into two groups. One taking a buffered aspirin every other day and the other group taking a placebo. The results were summarized in the table aspirin-data available in the course webpage.(use aspirin-data19 if your ufid starts with 1 or 9, aspirin- data28 if your ufid starts with 2 or 8,...) (a) Perform a chisquare test of independence of Myocardial infarction and Group.Report the table of expected cell count, the p-value, andand Group....
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- Spring '08
- Statistics, Null hypothesis, Non-parametric statistics, mann-whitney u test, ﬁrst group