Question: A) Calculate the mean and range for the above samples B) Determine X bar and R bar C) Determine the UCL and LCL for a
A) Calculate the mean and range for the above samples
B) Determine X bar and R bar
C) Determine the UCL and LCL for a X bar chart.
D) Determine the UCL and LCL for R-chart
E) What comments can you make about the process?
The following table contains the measurements of the key length dimension from a fuel injector. These samples of size five were taken at one-hour intervals. Use three-sigma control limits. Use Exhibit 10.13. OBSERVATIONS SAMPLE NUMBER 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 2 3 4 5 0.481 0.486 0.492 0.517 0.475 0.485 0.505 0.527 0.491 0.528 0.486 0.487 0.513 0.487 0.524 0.481 0.505 0.468 0.486 0.486 0.467 0.503 0.512 0.468 0.479 0.468 0.493 0.502 0.491 0.508 0.485 0.507 0.486 0.479 0.507 0.532 0.504 0.485 0.480 0.483 0.493 0.505 0.515 0.507 0.499 0.492 0.507 0.509 0.517 0.481 0.491 0.512 0.469 0.490 0.496 0.484 0.441 0.521 0.507 0.525 0.529 0.495 0.491 0.518 0.507 0.482 0.497 0.507 0.491 0.503 0.492 0.511 0.483 0.517 0.506 0.461 0.502 0.480 0.478 0.525 0.471 0.474 0.514 0.477 0.491 0.521 0.512 0.491 0.475 0.480 0.505 0.552 0.486 0.481 0.489 0.502 0.482 0.481 0.507 0.507
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