Question: X-Bar Control Limits Upper 21.56 Lower 3.40 R Control Limits Upper 33.27 Lower 0 how can we sure about process is in control or not?

X-Bar Control Limits Upper 21.56 Lower 3.40 R

X-Bar Control Limits

Upper 21.56

Lower 3.40

R Control Limits

Upper 33.27

Lower 0

how can we sure about process is in control or not? If not in control How can choose the changes in labor and machines ?

Keeping the Process in Control While Minimizing Costs O internal defects x $3.20 O external defects x $4.50 Total Defect Costs $0.00 Number of Recalibrations $0.00 Cost per Recalibration $0.00 0 $75 $0 Total Recalibration Costs X-bar Chart 35 30 25 20 15 10 8 AM 9 AM 10 AM 11 AM 12 PM 1 PM 2 PM 3 PM 4 PM 5 PM 2 PM 3 PM 4 PM 5 PM 5 0 7 AM R Chart 40 35 30 - 25 20 15 10- 5 0 7 AM 8 AM 9 AM 10 AM 11 AM 12 PM 1 PM Number of Labor Changes Cost per Labor Change Total Labor Change Costs 8 PM 6 PM 7 PM 6 PM 7 PM 8 PM 9 PM 10 PM 9 PM 10 PM 0 $100 $0 Freq. Freq. 7:20 AM Is this process in control? 3 1 YES, RUN NEXT BATCH NO, MAKE LABOR SUBSTITUTION NO, RECALIBRATE THE MACHINES NO, RECALIBRATE & MAKE LABOR SUB. RESET COPY DATA

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