科克倫檢驗和格拉布斯檢驗在標準精密度實驗中的應(yīng)用
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Application of Cochran and Grubbs Tests in Precision Experiments in Standards
WU Yifang
(NorthwestInstituteforNon-ferrousMetalResearch)
Abstract:TheCochranand Grubbs testsareimportantcomponentsofstandarddataqualityasurance.Theirapplication instandardscanhelpavoid incorrectanalysis resultscausedbydataproblems,ensureconsistencyandaccuracyof the variance of dataof precision experiments,and identifyanddeal with outliers,which will improvethereliability and effctivenessoftheentire standard verificationprocess.Taking thedataof precision experimentoftheinitialdischarge capacityand initialchargeaswellas thedischarge effciencyofbuttonbatteriesas examples,this paperdescribes the method of processing precision testdata using Cochran’s testand Grubbs’test,as wellas thecalculation methodof repeatabilitylimitandreproducibilitylimit,whichprovides technicalguidanceandsupportforexperimentalverification methodsin the development instruction of standards.
Keywords:Cochrane's test;Grubbs'test;precision test;verification method
0 引言
數(shù)據(jù)來自多個實驗組，每組數(shù)據(jù)的數(shù)量相同，它用于檢驗?zāi)硞€組的方差是否顯著大于其他組，它經(jīng)常用于驗證實驗條件是否具有一致性（如設(shè)備、人員或?qū)嶒灢襟E）。（剩余6768字）