Designation:E3023−15StandardPracticeforProbabilityofDetectionAnalysisforâVersusaData1ThisstandardisissuedunderthefixeddesignationE3023;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1ThispracticedefinestheprocedureforperformingastatisticalanalysisonNondestructiveTesting(NDT)âversusadatatodeterminethedemonstratedprobabilityofdetection(POD)foraspecificsetofexaminationparameters.Topicscoveredincludethestandardâversusaregressionmethodology,PODcurveformulation,validationtechniques,andcorrectinterpretationofresults.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2E178PracticeforDealingWithOutlyingObservationsE456TerminologyRelatingtoQualityandStatisticsE1316TerminologyforNondestructiveExaminationsE1325TerminologyRelatingtoDesignofExperimentsE2586PracticeforCalculatingandUsingBasicStatisticsE2782GuideforMeasurementSystemsAnalysis(MSA)E2862PracticeforProbabilityofDetectionAnalysisforHit/MissData2.2DepartmentofDefenseDocument:3MIL-HDBK-1823ANondestructiveEvaluationSystemRe-liabilityAssessment3.Terminology3.1DefinitionsofTermsSpecifictoThisStandard:3.1.1analyst,n—thepersonresponsibleforperformingaPODanalysisonâversusadataresultingfromaPODexamination.3.1.2decisionthreshold,âdec,n—thevalueofâabovewhichthesignalisinterpretedasafindandbelowwhichthesignalisinterpretedasamiss.3.1.2.1Discussion—AdecisionthresholdisrequiredtocreateaPODcurve.Thedeci...
