Question: Use a standard deviation ( z ) of 3 . x + Sample NumberNumber of Defects 4 6 1 0 1 . 2 . 3

Use a standard deviation (z) of 3.x +Sample NumberNumber of Defects46101.2.3.4.What is the value of the Upper Control Limit (UCL) for the c - chart?What is the value of the Lower Control Limit (LCL) for the c - chart?Is the process in control?Use the UCL and the LCL calculated using Samples 1 through 10. Now suppose that there are 12 defects in the next sample (Sample #11). Without recalculating the control limits, would the process be in control?

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