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1、Chapter1IntroductionandDataCollectionBusinessStatistics:AFirstCourseFifthEdition1BusinessStatistics:AFirstCourse,5e©2009Prentice-Hall,Inc.BusinessStatistics:AFirstCourse,5e©2009Prentice-Hall,Inc.Chap1-2LearningObjectivesInthischapteryoulearn:HowStatistic
2、sisusedinbusinessThesourcesofdatausedinbusinessThetypesofdatausedinbusinessThebasicsofMicrosoftExcelThebasicsofMinitabBusinessStatistics:AFirstCourse,5e©2009Prentice-Hall,Inc.Chap1-3WhyLearnStatistics?Soyouareabletomakebettersenseoftheubiquitoususeofnumb
3、ers:BusinessmemosBusinessresearchTechnicalreportsTechnicaljournalsNewspaperarticlesMagazinearticlesBusinessStatistics:AFirstCourse,5e©2009Prentice-Hall,Inc.Chap1-4Whatisstatistics?Abranchofmathematicstakingandtransformingnumbersintousefulinformationforde
4、cisionmakersMethodsforprocessing&analyzingnumbersMethodsforhelpingreducetheuncertaintyinherentindecisionmakingBusinessStatistics:AFirstCourse,5e©2009Prentice-Hall,Inc.Chap1-5WhyStudyStatistics?DecisionMakersUseStatisticsTo:Presentanddescribebusinessdataa
5、ndinformationproperlyDrawconclusionsaboutlargegroupsofindividualsoritems,usinginformationcollectedfromsubsetsoftheindividualsoritems.MakereliableforecastsaboutabusinessactivityImprovebusinessprocessesBusinessStatistics:AFirstCourse,5e©2009Prentice-Hall,I
6、nc.Chap1-6TypesofStatisticsStatisticsThebranchofmathematicsthattransformsdataintousefulinformationfordecisionmakers.DescriptiveStatisticsCollecting,summarizing,anddescribingdataInferentialStatisticsDrawingconclusionsand/ormakingdecisionsconcerningapopula
7、tionbasedonlyonsampledataBusinessStatistics:AFirstCourse,5e©2009Prentice-Hall,Inc.Chap1-7DescriptiveStatisticsCollectdatae.g.,SurveyPresentdatae.g.,TablesandgraphsCharacterizedatae.g.,Samplemean=BusinessStatistics:AFirstCourse,5e©2009Prentice-Hall,Inc.Ch
8、ap1-8InferentialStatisticsEstimatione.g.,EstimatethepopulationmeanweightusingthesamplemeanweightHypothesistestinge.g.,Testtheclaimthatthepopulationmeanweightis120poundsDrawingconclusionsaboutalargegroupofindividualsbasedon
