;;Task1Asaqualityinspectionengineer,MichaelButtonmayexperiencethefollowingsituations.Matcheachsituationwithitscorrespondingpicture.;Task2ThefollowingarewhatMichaelButtonusuallydoesfor

qualityinspection.Arrangethemintheorderoftimeandexplain.;Task1Beforereadingthepassage,trytoanswer

thequestionsaboutproductinspection.;InspectionandTesting;Inspectionandtestingareperformedbefore,during,andaftermanufacturingtoensurethatthequalityoftheproductisabletomeetthedesignstandards.

Whereasinspectionistheactivityofexaminingtheproductoritscomponentstodetermineiftheymeetthedesignstandards,testingisaprocedureinwhichtheitemisobservedduringoperationinordertodeterminewhetheritfunctionsproperlyforareasonableperiodoftime.

;Oneofthemostimportantmethodstoinspectthemanufacturingprocessisstatisticalqualitycontrol.Instatisticalqualitycontrol,qualityofaproductisinferredfromasampletakenfromthepopulationoftheitems.Thesampleofitemsisgeneratedrandomlyfromthepopulation.Eachiteminthesampleisinspectedortestedforcertainattributesandqualitycharacteristics.Theobjectiveofstatisticalqualitycontrolistodeterminewhentheprocesshasgoneoutofcontrol,sothatcorrectiveactioncanbetaken.;Thetwoprincipaltechniquesinstatisticalqualitycontrolareacceptancesamplingandcontrolcharts.Inacceptancesampling,asampleistakenfromabatchofpartsorproducts.Whetherthebatchwillbeacceptedorrejecteddependsonthenumberofpartsorproductsthatpasstheinspectionortesting.Acontrolchartisasimplegraphicaltechniqueusedtomonitorandcontrolasinglecharacteristicofamanufacturingprocess.Theobjectiveistoestimatetheprincipalparameterthatdescribesthevariabilityofthischaracteristicandthentouseatestofhypothesistodetermineifthep