83. Calculate the Lower Control Limit of Range (LCL) of a sub group of
size 5, Dz=0,Da=2.115, X=11.77 and R=1.land Az=0.577 for
X-R chart
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Calculate the Upper Control Limit (UCL), which is the mean of means plus three times the standard deviation. In this example, type "=F7+3*F8" (without quote marks) in cell F9 and press "Enter." Calculate the Lower Control Limit (LCL), which is the mean of means minus three times the standard deviation.
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