22. FILE A new machine has just been installed to produce printed circuit boards. One of the critical measurements is th

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22 File A New Machine Has Just Been Installed To Produce Printed Circuit Boards One Of The Critical Measurements Is Th 1 (51.3 KiB) Viewed 99 times

22 File A New Machine Has Just Been Installed To Produce Printed Circuit Boards One Of The Critical Measurements Is Th 2 (109.47 KiB) Viewed 99 times

22 File A New Machine Has Just Been Installed To Produce Printed Circuit Boards One Of The Critical Measurements Is Th 3 (25.6 KiB) Viewed 99 times

22. FILE A new machine has just been installed to produce printed circuit boards. One of the critical measurements is the thickness of the resistance layer. The quality control inspector randomly selects five boards each half-hour, measures the thickness, and records the results.
The measurements (in millimeters) for the period 8:00 a.m. to 10:30 a.m. follow: Time 8:00 8:30 9:00 9:30 10:00 10:30 1 87.1 86.9 87.5 86.0 87.1 88.0 Thickness (millimeters) 2 87.3 88.5 88.4 88.0 87.1 86.2 3 87.9 87.6 86.9 87.2 87.1 87.4 4 87.0 87.5 87.6 87.6 87.1 87.3 87.0 87.4 88.2 811 87.1 87.8 page 726 a. Determine the control limits for the mean and the range. b. Plot the control limits for the mean outside diameter and the range.
c. Are there any points on the mean or the range chart that are out of control? Comment on the chart.