AmachineatthePacificFruitCompanyfillsboxeswithraisins.Thelabeledweightoftheboxesis9ounces.ThecompanywantstoconstructanR-charttomonitorthefillingprocessandmakesuretheboxweightsareincontrol.Thequality-c...

AmachineatthePacificFruitCompanyfillsboxeswithraisins.Thelabeledweightoftheboxesis9ounces.ThecompanywantstoconstructanR-charttomonitorthefillingprocessandmakesuretheboxweightsareincontrol.Thequality-controldepartmentforthecompanysampledfiveboxeseverytwohoursforthreeconsecutiveworkingdays.Thesampleobservationsareasfollows:a.ConstructanR-chartfromthesedatawith3acontrollimits,plotthesamplerangevalues,andcommentonprocesscontrol.(15pts)b.Constructanx¯-chartinconjunctionwiththeR-chart,plotthesampleobservations,and,usingbothx¯-andR-charts,commentontheprocesscontrol.(15pts)c.Usepatternteststodetermineifthesampleobservationsusedinthex¯-chartinreflectanynonrandompatterns.(20pts)