1: Introduction to Statistics | Introduction to statistics

SkiptomaincontentNoheadersInthischapterwewillintroducesomebasicterminologyandlaythegroundworkforthecourse.Wewillexplainingeneraltermswhatstatisticsandprobabilityareandtheproblemsthatthesetwoareasofstudyaredesignedtosolve.1.1:BasicDefinitionsandConceptsStatisticsisastudyofdata:describingpropertiesofdata(descriptivestatistics)anddrawingconclusionsaboutapopulationbasedoninformationinasample(inferentialstatistics).Thedistinctionbetweenapopulationtogetherwithitsparametersandasampletogetherwithitsstatisticsisafundamentalconceptininferentialstatistics.Informationinasampleisusedtomakeinferencesaboutthepopulationfromwhichthesamplewasdrawn.1.2:OverviewStatisticscomputedfromsamplesvaryrandomlyfromsampletosample.Conclusionsmadeaboutpopulationparametersarestatementsofprobability.1.3:PresentationofDataInthisbookwewillusetwoformatsforpresentingdatasets.Datacouldbepresentedasthedatalistorinsetnotation.1.E:IntroductiontoStatistics(Exercises)ThesearehomeworkexercisestoaccompanytheTextmapcreatedfor"IntroductoryStatistics"byShaferandZhang.​


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