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CanItrustmymeasurements?
Youmighttakeforgrantedthatwhenyoumeasuresomething,yougettherightanswer.Butifyoufollowtheadage"measuretwice,cutonce,"you'veprobablyfoundoutthatthisisn'talwaysthecase.
Whilenomeasurementsystemisperfect,werelyonthemtocollectdatatocontrolqualityandmonitorchangesincriticalprocesses.Sohowdoyouknowifthechangesyouseearereal,andnotjusttheproductofafaultymeasurementsystem?Afterall,ifyoucan'ttrustyourmeasurementsystem,thenyoushouldn'ttrustthedataitproduces.
Minitab'sgageR&Rstudycanhelpyouidentifyproblemswithyourmeasurementsystem,allowingyoutotrustyourdataandaffectrealimprovementsinyourbusinessprocesses.
WhatcangageR&Rdoforyou?
GageR&Rstudiescantellyouifinconsistenciesinyourmeasurementsaretoolargetoignore—whetherduetoafaultytoolortoinconsistentoperationofatool.
Revealaninconsistenttool
Inpreparationforusingacontrolcharttomonitorthefillweightsofcerealboxes,acompanyconductsagageR&Rstudy.Theresultsshowthatevenwhenthesamepersonweighsthesameboxonthesamescale,themeasurementscandifferbyseveralgrams,indicatingthescaleisinseriousneedofrecalibration.Thefaultyscalewouldhaverenderedthecontrolchartvirtuallyuseless.Althoughtheaveragemeasurementsarenotfarapart,thespreadofthemeasurementsishuge!
Highlightoperatordifferences
Tomeetincreaseddemand,acompanyhiresnewworkerstopreparecarefully-measuredamountsofacostlysolution.ThecompanyusesagageR&Rstudytocomparethenewoperatorstomoreexperiencedoperators.Thestudyrevealsthatwhenworkersmeasurethesamesample,themeasurementsofnewhiresaretoohighortoolowmoreoftenthanthemeasurementsofexperiencedworkers.Thecompanydecidestoconductmoretrainingforthenewhires.Themeasurementsofthenewhiresdonotagreewiththemeasurementsofmoreexperiencedoperators.HowtoanalyzeagageR&RstudyinMinitab
Awarenessofhowwellyoucanmeasuresomethingcanhavesubstantialeconomicbenefits.Minitabmakesiteasytoanalyzehowpreciseyourmeasurementsare.
Arestaurantplanstoevaluatehowitmeasuresfoodtemperaturetoensureit'shotenough.Inaccuratetemperaturescanresultindiscardingfoodthatwassafe,fa