Eight samples (m=8) have been collected from a manufacturing process that is in statistical control, and...

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Eight samples (m=8) have been collected from a manufacturingprocess that is in statistical control, and the dimension ofinterest has been measured for each part. It is desired todetermine the values of the center, LCL, and UCL for ?? and Rcharts. The calculated ?? values (units are in mm) are 2.723,1.993, 2.008, 1.723, 1.999, 2.001, 1.995 and 2.723 The calculated Rvalues (mm) are 0.015, 0.021, 0.020, 0.023, 0.723, 0.723, 0.014 and0.011. Also plot the control chart. Comment on your answer.

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