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_EleventhEditionSTATISTICSr;f援_矗e.1巴涠萨钎情ncSSeries匿万byMarioF.TriolaP酿餮签醴Chapter3StatisticsforDescribing,Exploring,andComparingData3-1ReviewandPreview3-2MeasuresofCenter3-3MeasulresofVariatioar3-4MeasuresofRelativeStandingandBoxplotsCopynghl20i02000.200aioneAlligesReeredBCreatedbyTomWegleitnerCentrevile,VirginiaReview少Chapter1Distinguishbetweenpopulationandsample,parameterandstatisticGoodsamplingmethods:simplerandomsample,collectinappropriateways半Chapter2Frequencydistribution:summarizingdataGraphsdesignedtohelpunderstanddataCenter,variation,distribution,outliers,changingcharacteristicsovertimeonIncAllRetuReserea3Copymga20102000.200ifeamePreview尔ImportantStatisticsMean,median,standarddeviation,variance尔UnderstandingandInterpretingtheseimportantstatistics3.1-Preview少DescriptiveStatisticsInthischapterwe“lllearntosummarizeordescribetheimportantcharacteristicsofaknownsetofdata必InferentialStatisticsInlaterchapterswe“lllearntousesampledatatomakeinferencesorgeneralizationsaboutapopulationw3.1-Copyniga20102007.200feamontcneANeeKeyConceptCharacteristicsofcenter.Measuresofcenter,includingmeanandmedian,astoolsforanalyzingdata.Notonlydeterminethevalueofeachmeasureofcentern,butalsointerpretthosevalues3.1-aionneAKieeseeredCopynga2010200000feamontPart1BasicsConceptsofMeasuresofCenterCopynga2010200700feamontsionineAKieesNeered3.1-MeasureofCenter少MeasureofCenterthevalueatthecenterormiddleofadatasetCopynglt20102000.200PanonEducsionicARReened3.1-
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