Question: 5-1. The data shown here are x and R values for 24 samples of size n=5 taken from a process producing bearings. The measurements are

5-1. The data shown here are x 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 (i.e., 34.5 should be 0.50345 ). (a) Set up x and R charts on this process. Does the process seem to be in statistical control? If necessary, revise the trial control limits. (b) If specifications on this diameter are 0.50300.0010, find the percentage of nonconforming bearings produced by this process. Assume that diameter is normally distributed. 5-2. A high-voltage power supply should have a nominal output voltage of 350V

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