Description
This is a problem dealing with quality issues that can be COUNTED. Xbar and R dealt with processes that could be measured. For quality issues that can be counted, we will be using a c chart.Solve the attached problem, post answers on the Word document, ands upload into Canvas.c chart UCL: c + (z times sq rt of c). (LCL is minus in the equation). If LCL is minus, then make it zero.c= average # of defects Z= standard deviation control limits (stated in the problem, usually 3)
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Chapter 10 c chart Problem – Answer Sheet
UCL c
_______________ Show calculation: ____________________________
LCL c
_______________ Show calculation: ____________________________
Is the process in control? Yes/No. Explain.
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