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The data shown in Bearing Diameter Data are * and R values for 24 samples of size n = 5 taken from a process
The data shown in Bearing Diameter Data are * and R values for 24 samples of size n = 5 taken from a process producing bearings. The measurements are made on the inside diameter of the bearing, with only the last three decimals recorded. Bearing Diameter Data Sample R x Sample R x Number Number 1 34.2 3 13 33.6 7 2 34.5 4 14 32.4 6 3 31.5 5 15 37.5 4 4 32 4 16 35.2 8 5 33 4 17 34.9 4 6 35 6 18 31.5 2 7 35.6 5 19 35.2 7 8 34.2 4 20 34.9 4 9 34.4 7 21 35.9 3 10 33.7 9 22 32.3 1 11 32.1 2 23 32.6 4 12 37.5 8 24 31.7 2 Construct and R charts on this process. Justify if the process seems to be in statistical control.
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