Biostatistics For Dummies
Learn to:Understand key statistical concepts as they relate to biological sciencesInterpret biological and statistical data in any settingScore your highest in your biostatistics courseBaffled by biostatistics?Biostatisticians are charged with finding answers to some of the world's most pressing health questions: How safe or effective are drugs hitting the market today? What causes autism? What are the risk factors for cardiovascular disease? Covering the most relevant topics you'll encounter in a biostatistics course,Biostatistics For Dummiesgives you plain-English explanations of important concepts and plenty of examples.Back to the basics — get up to speed on math and statistics concepts, find advice on selecting statistical software, and get an overview of clinical researchThe deal with data — find out how to collect data properly, summarize it concisely, display it in tables and graphs, and describe its qualitiesSize it up — grasp the most common statistical techniques for comparing groups: t tests, ANOVAs, chi-square tests, and Fisher Exact testsLet's regress — learn how to test for and quantify the relationship between two or more variables, from a simple straight-line regression to multiple, logistic, nonlinear, and other kinds of regressionSurvive and thrive — see how to calculate survival curves, test for a difference in survival between two or more groups of subjects, and apply the methods of regression analysis to survival dataOpen the book and find:Basic math and statistical formulas, concepts, and techniques you need to knowThe big picture of clinical researchHow to summarize and graph dataThe scoop on accuracy, precision, standard errors, and confidence intervalsWays to compare groupsCommon distribution functionsSimple rules for sample-size calculations