Question: The data below are X-bar and R values for 12 samples of size n = 7. The data below are X-bar and R values of

The data below are X-bar and R values for 12 samples of size n = 7. The data below are X-bar and R values of 12 samples of size n=5. They were taken from process producing bearings. The measurements are made on the inside of the bearing. The data have been coded from 0.50, in other words, a measurement of 0.50345 has been recorded as 345. Range values are coded from 0.000, that is, 0.00013 is recorded as 13. Subgroup Number (Sample Number) X-bar Range 1 345 13 2 347 14 3 350 12 4 346 11 5 350 15 6 345 16 7 349 14 8 348 13 9 348 12 10 354 15 11 352 13 12 355 16 Set up the X-bar and R charts on this process. Does the process seem to be in control? Why or why not? If necessary, revise the trial control limits.

I need a step by step with ALL work shown, formulas included please!!

I don't 'know why the question says it's of n=7 and then also says n=5, the professor might have messed up.

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