STATISTICSforEngineeringandtheSciencesSIXTHEDITIONWilliamM.MendenhallTerryL.SincichSTATISTICSforEngineeringandtheSciencesSIXTHEDITIONThisbookwaspreviouslypublishedbyPearsonEducation,Inc.CRCPressTaylor&FrancisGroup6000BrokenSoundParkwayNW,Suite300BocaRaton,FL33487-2742©2016byTaylor&FrancisGroup,LLCCRCPressisanimprintofTaylor&FrancisGroup,anInformabusinessNoclaimtooriginalU.S.GovernmentworksVersionDate:20160302InternationalStandardBookNumber-13:978-1-4987-2887-4(eBook-PDF)Thisbookcontainsinformationobtainedfromauthenticandhighlyregardedsources.Reasonableeffortshavebeenmadetopublishreliabledataandinformation,buttheauthorandpublishercannotassumeresponsibilityforthevalidityofallmaterialsortheconsequencesoftheiruse.Theauthorsandpublishershaveattemptedtotracethecopyrightholdersofallmaterialreproducedinthispublicationandapologizetocopyrightholdersifpermissiontopublishinthisformhasnotbeenobtained.Ifanycopyrightmaterialhasnotbeenacknowledgedpleasewriteandletusknowsowemayrectifyinanyfuturereprint.ExceptaspermittedunderU.S.CopyrightLaw,nopartofthisbookmaybereprinted,reproduced,transmitted,orutilizedinanyformbyanyelectronic,mechanical,orothermeans,nowknownorhereafterinvented,includingphotocopying,microfilming,andrecording,orinanyinformationstorageorretrievalsystem,withoutwrittenpermissionfromthepublishers.Forpermissiontophotocopyorusematerialelectronicallyfromthiswork,pleaseaccesswww.copyright.com(http://www.copyright.com/)orcontacttheCopyrightClearanceCenter,Inc.(CCC),222RosewoodDrive,Danvers,MA01923,978-750-8400.CCCisanot-for-profitorgani-zationthatprovideslicensesandregistrationforavarietyofusers.FororganizationsthathavebeengrantedaphotocopylicensebytheCCC,aseparatesystemofpaymenthasbeenarranged.TrademarkNotice:Productorcorporatenamesmaybetrademarksorregisteredtrademarks,andareusedonlyforidentificationandexpla-nationwithoutintenttoinfringe.VisittheTaylor&FrancisWebsiteathttp://www.taylorandfrancis.comandtheCRCPressWebsiteathttp://www.crcpress.comContentsvContentsPrefaceix...