FactorsFor3-limitsforandchartsLowerLimitUpperLimitSampleSizeA2D3D421
59Example:Wehaveafillingoperationfora16-ozboxofcereal
Thefollowing20sampleshavebeenidentifiedtobuildmeansandrangecontrolcharts
NumberMeanRangeNumberMeanRange116
381115
331216
501315
071416
751515
371616
451715
641815
671916
801016
492015
89X=16
22GiventhefollowingSetofData,Determineiftheprocessisincontrol
Dothisforthemeanschartandtherangechart
SampleMeanRangeSampleMeanRange116