# Problem 10-29 (Algo) The following table contains the measurements of the key length dimension from a...

###### Question:

Problem 10-29 (Algo) 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. SAMPLE NUMBER WNEOVO UN 1 0.480 0.479 0.504 0.503 0.481 0.481 0.503 0.512 0.495 0.505 0.504 0.461 0.513 0.495 0.502 0.479 0.464 0.501 0.500 0.485 OBSERVATIONS 2 3 4 5 0.497 0.489 0.515 0.482 0.496 0.513 0.488 0.526 0.496 0.506 0.4790.518 0.496 0.476 0.478 0.481 0.502 0.519 0.453 0.484 0.496 0.497 0.495 0.501 0.513 0.490 0.475 0.512 0.541 0.492 0.476 0.491 0.541 0.508 0.499 0.512 0.497 0.513 0.515 0.489 0.476 0.4520.498 0.491 0.467 0.529 0.499 0.517 0.513 0.495 0.518 0.511 0.518 0.497 0.499 0.505 0.513 0.491 0.515 0.512 0.496 0.413 0.471 0.529 0.475 0.412 0.481 0.488 0.489 0.352 0.482 0.475 0.526 0.478 0.489 0.497 0.490 0.326 0.499 0.513 O
a. Calculate the mean and range for the above samples. (Do not round intermediate calculations. Round your answers to 3 decimal places.) Sample Number Mean Range
b. Determine X and R. (Do not round intermediate calculations. Round your answers to 3 decimal places.) X bar R bar c. Determine the UCL and LCL for a X-chart. (Do not round intermediate calculations. Round your answers to 3 decimal places.) UCL LCL
d. Determine the UCL and LCL for R-chart. (Leave no cells blank - be certain to enter "O" wherever required. Do not round intermediate calculations. Round your answers to 3 decimal places.) UCL LCL e. What comments can you make about the process? O Process is in statistical control. O Process is out of statistical control.

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