Page 414 - The Handbook for Quality Management a Complete Guide to Operational Excellence

2.606 2.276 2.088 1.964 1.874 1.806 1.751 1.707 1.669 1.637 1.610 1.585 1.563 1.544 1.526 1.511 1.496 1.483 1.470 1.459 1.448 1.438 1.429 1.420
B 6

Factors for Control Limits B 5 0 0 0 0 0.029 0.113 0.179 0.232 0.276 0.313 0.346 0.374 0.399 0.421 0.440 0.458 0.475 0.490 0.504 0.516 0.528 0.539 0.549 0.559

Chart for Standard Deviations B 4 B 3 3.267 0 2.568 0 2.266 0 2.089 0 1.970 0.030 1.882 0.118 1.815 0.185 1.761 0.239 1.716 0.284 1.679 0.321 1.646 0.354 1.618 0.382 1.594 0.406 1.572 0.428 1.552 0.448 1.534 0.466 1.518 0.482 1.503 0.497 1.490 0.510 1.477 0.523 1.466 0.534 1.455 0.545 1.445 0.555 1.435 0.565

Factors for Central Line 1/c 4 1.2533 1.1284 1.0854 1.0638 1.0510 1.0423 1.0363 1.0317 1.0281 1.0252 1.0229 1.0210 1.0194 1.0180 1.0168 1.0157 1.0148 1.0140 1.0133 1.0126 1.0119 1.0114 1.0109 1.0105

c 4 0.7979 0.8862 0.9213 0.9400 0.9515 0.9594 0.9650 0.9693 0.9727 0.9754 0.9776 0.9794 0.9810 0.9823 0.9835 0.9845 0.9854 0.9862 0.9869 0.9876 0.9882 0.9887 0.9892 0.9896

Factors for Control Limits A 3 2.659 1.880 1.954 1.023 1.628 0.729 1.427 0.577 1.287 0.483 1.182 0.419 1.099 0.373 1.032 0.337 0.975 0.308 0.927 0.285 0.886 0.266 0.850 0.249 0.817 0.235 0.789 0.223 0.763 0.212 0.739 0.203 0.718 0.194 0.698 0.187 0.680 0.180 0.663 0.173 0.647 0.167 0.633 0.162 0.619 0.157 0.606 0.153

Chart for Average A 2 A 2.121 1.732 1.500 1.342 1.225 1.134 1.061 1.000 0.949 0.905 0.866 0.832 0.802 0.775 0.750 0.728 0.707 0.688 0.671 0.655 0.640 0.626 0.612 0.600

Observations in Sample, n 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25

401

21_Pyzdek_AppA_Ch21_p399-402.indd 401 11/9/12 5:32 PM