Question: Answer as is on answer sheet with work. A quality inspector took five samples, each with four observations (n=4), of the length of time for

A quality inspector took five samples, each with four observations (n=4), of the length of time for glue to dry. All values are in minutes. Use this information to obtain three-sigma (i.e., z=3 ) control limits. Construct three sigma mean and range charts. Determine if corrective action is needed. Chapter 10 Glue Drying Problem - Answer Sheet X double bar R bar UCL x bar Show calculation: LCL x bar Show calculation: UCL R Show calculation: LCLR Show calculation: Using X bar, Is the process in control If not, what is the problem Draw a graph showing your answer. Using R, Is the process in control not, what is the problem Draw a graph showing your
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