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Articles on Philosophy of Statistical Consulting Provideananswerforthequestionbelow.Notethatthequotemaynotincludeenoughinformationandmayalsoincludeinaccurateinformation.Ineedtocalculatethesamplesizerequiredforanobservationalstudyinwhichincidenceofdiseaseis19-29%.Populationaffectedis600,000people.Thestudyhastwosamplessimilaronbaselinecharacteristicstreatedwithtwodifferentdrugs.Statisticalanalysiswillbechi-squareandFisher'stest.Ihavetodemonstratenon-inferiorityofonedrugwithrespectoftheotherone.Idon'thaveanyotherinfo.Canyouhelpmetocalculatethesamplesizesrequiredinordertoobtainpowerof0.80withanalpha0.05?

Articles on Philosophy of Statistical Consulting
  1. Provideananswerforthequestionbelow.Notethatthequotemaynotincludeenoughinformationandmayalsoincludeinaccurateinformation.Ineedtocalculatethesamplesizerequiredforanobservationalstudyinwhichincidenceofdiseaseis19-29%.Populationaffectedis600,000people.Thestudyhastwosamplessimilaronbaselinecharacteristicstreatedwithtwodifferentdrugs.Statisticalanalysiswillbechi-squareandFisher'stest.Ihavetodemonstratenon-inferiorityofonedrugwithrespectoftheotherone.Idon'thaveanyotherinfo.Canyouhelpmetocalculatethesamplesizesrequiredinordertoobtainpowerof0.80withanalpha0.05?

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