Problem 13-13 The following table contains the measurements of the key length di
ID: 362472 • Letter: P
Question
Problem 13-13 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 1013. OBSERVATIONS SAMPLE NUMBER 1 0.482 0.496 0.490 0.514 0.474 0.481 0.497 0.512 0.487 0.516 0.503 0.495 0.507 0.481 0.528 0.502 0.497 0.478 0.479 0.495 0.479 0.501 0.518 0.454 0.485 0.479 0.497 0.498 0.498 0.502 0.502 0.512 0.491 0.474 0.501 0.524 0.532 0.491 0.475 0.486 0.505 .526 0.504 0.501 0.504 0.504 0.509 0.512 0.514 0.488 0.503 0. 478 0.453 0.497 0.483 0.478 0.466 0.528 0.501 0.518 0.516 0.512 0.498 0.517 0.501 0.4940.517 0.498 0.498 0.507 0.501 0.512 0.486 0.514 0.511 0.478 0.497 0.487 0.472 0.528 0.486 0. 481 0.505 0.470 0.487 0.503 0.490 0.498 0.481 0.487 0.513 0.534 0.479 0.488 0.496 0.507 0.491 0.488 0.501 0.512 2 10 12 13 14 15 16 17 18 20Explanation / Answer
X BAR
R chart
0.4912
0.04
0.4986
0.035
0.5028
0.047
0.4902
0.024
0.4874
0.064
0.4948
0.023
0.496
0.038
0.5016
0.057
0.508
0.025
0.5054
0.026
0.4828
0.05
0.4982
0.062
0.5088
0.019
0.5028
0.023
0.5048
0.028
0.4924
0.056
0.4858
0.035
0.4918
0.022
0.502
0.055
0.4998
0.024
0.49726
0.03765
X D BAR
0.49726
R BAR
0.03765
XCHART
UCL
1.05253595
LCL
0.47553595
RCHART
UCL
0.0801945
LCL
0
X BAR
R chart
0.4912
0.04
0.4986
0.035
0.5028
0.047
0.4902
0.024
0.4874
0.064
0.4948
0.023
0.496
0.038
0.5016
0.057
0.508
0.025
0.5054
0.026
0.4828
0.05
0.4982
0.062
0.5088
0.019
0.5028
0.023
0.5048
0.028
0.4924
0.056
0.4858
0.035
0.4918
0.022
0.502
0.055
0.4998
0.024
0.49726
0.03765