Question: Given the following sample data, what would be the Upper and Lower +/-3 Sigma Control Limits for the corresponding X-bar chart? Sample Obs X Obs

Given the following sample data, what would be the Upper and Lower +/-3 Sigma Control Limits for the corresponding X-bar chart? Sample Obs X Obs X 36 20 31 38 3328 25 38 ObsX; Obs Xa ObsXObsX 3228 21 40 35 38 33 32 36 31 25 25 32 40 29 28 30 31 31 D B3 1.128 1.693 2.059 2.326 2.534 2.704 2.847 2.970 3.078 3.173 3.258 3.336 3.407 3.472 3.532 3.588 3.640 3.689 3.735 3.778 3.819 0.7979 0.8862 0.9213 0.9400 0.9515 0.9594 0.9650 0.9693 0.9727 0.9754 0.9776 0.9794 0.98 10 0.9823 0.9835 0.9845 0.9854 0.9862 0.9869 0.9876 0.9882 A2 1.880 1.023 0.729 0.577 0.483 0.419 0.373 0.337 0.308 0.285 0.266 0.249 0.235 0.223 0.212 0.203 0.194 0.187 0.180 0.173 0.167 0.076 0.136 0.184 0.223 0.256 0.283 0.307 0.328 0.347 0.363 0.378 0.391 0.403 0.415 0.425 0.434 D 3.267 2.575 2.282 2.115 2.004 1.924 1.864 1.816 1.777 1.744 1.717 1.693 1.672 1.653 1.637 1.622 1.608 1.597 1.585 1.575 1.566 - A, 2.659 1.954 1.628 1.427 1.287 1.182 1.099 1.032 0.975 0.927 0.886 0.850 0.817 0.789 0.763 0.739 0.718 0.698 0.680 0.663 0.647 0.030 0.118 0.185 0.239 0.284 0.321 0.354 0.382 0.406 0.428 0.448 0.466 0.482 0.497 0.510 0.523 0.534 B4 3.267 2.568 2.266 2.089 1.970 1.882 1.815 1.761 1.716 1.679 1.646 1.618 1.594 1.572 1.552 1.534 1.518 1.503 1.490 1.477 1.466 UCL = 37.85 LCL = 25.68 UCL = 39.04 LCL = 24.50 UCL = 37.85 LCL = 24.50 UCL = 31.77 LCL = 12.60

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