Question: 3. a. Plot an R control chart and X control chart from the following data. Is the process under control? Values #1 6 7 4

3. a. Plot an R control chart and X control chart from the following data. Is the process under control?

Values

#1 6 7 4 5 4 4

#2 7 5 4 6 5 5

#3 4 5 6 4 3 6 #4 7 8 5 6 4 8 b. contrast Q/A and TQM

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