ISO 5479-1997 数据的统计解释偏离正态分布的检验

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【英文标准名称】:Statisticalinterpretationofdata-Testsfordeparturefromthenormaldistribution
【原文标准名称】:数据的统计解释偏离正态分布的检验
【标准号】:ISO5479-1997
【标准状态】:现行
【国别】:国际
【发布日期】:1997-05
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC69
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;统计质量控制;统计学;统计分布;估计;数据;解释;数据处理;质量控制;统计方法分析
【英文主题词】:Data;Dataprocessing;Definitions;Estimation;Graphicrepresentation;Graphicalmethods;Instructions;Interpretations;Measuredvalue;Methods;Multilingual;Probabilitynetwork;Qualitycontrol;Statisticaldistribution;Statisticalmethodsofanalysis;Statisticalqualitycontrol;Statistics;Symbols
【摘要】:1ThisInternationalStandardgivesguidanceonmethodsandtestsforuseindecidingwhetherornotthehypothesisofanormaldistributionshouldberejected,assumingthattheobservationsareindependent.2Whenevertherearedoubtsastowhethertheobservationsarenormallydistributed,theuseofatestfordeparturefromthenormaldistributionmaybeusefulorevennecessary.Inthecaseofrobustmethods,however(i.e.wheretheresultsareonlyalteredveryslightlywhentherealprobabilitydistributionoftheobservationsisnotanormaldistribution),atestfordeparturefromthenormaldistributionisnotveryhelpful.Thisisthecase,forexample,whenthemeanofasinglerandomsampleofobservationsistobecheckedagainstagiventheoreticalvalueusingat-test.3Itisnotstrictlynecessarytousesuchatestwheneveronereferstostatisticalmethodsbasedonthehypothesisofnormality.Itispossiblethatthereisnodoubtatallastothenormaldistributionoftheobservations,whethertheoretical(e.g.physical)reasonsarepresentwhichconfirmthehypothesisorbecausethishypothesisisdeemedtobeacceptableaccordingtopriorinformation.4ThetestsfordeparturefromthenormaldistributionselectedinthisInternationalStandardareprimarilyintendedforcompletedata,notgroupeddata.Theyareunsuitableforcensoreddata.5ThetestsfordeparturefromthenormaldistributionselectedinthisInternationalStandardmaybeappliedeithertoobservedvaluesortofunctionsofthem,suchasthelogarithmorthesquareroot.6Testsfordeparturefromthenormaldistributionareveryineffectiveforsamplesofsizelessthaneight.Accordingly,thisInternationalStandardisrestrictedtosamplesofeightormore.
【中国标准分类号】:A41
【国际标准分类号】:03_120_30
【页数】:33P;A4
【正文语种】:英语