Answer Happy

Thirty samples of size 4 resulted in an overall mean of 16.45 minutes and average range of 1.27. Compute control limits for x- and R-charts. Use the control chart factors in Appendix B to answer the questions. If your answer is zero, enter "0". Round your answers to three decimal places. For the R-chart: UCLR: LCLR: For the x-chart: UCLY: LCLX:
X-CHARTS S-CHARTS R-CHARTS NA A2 As C4 B3/ B4 BI B6 del d3| Dil De D3 D4 2. 2.121 1.880 2.659 0.79790 3.267 0 2.606 1.128 0.853 0 3.686 0 3.267 3 1.732 1.023 1.954 0.8862 0 2.568 0 2.276 1.693 0.888 0 4.3580 2.574 4 1.500 0.7291.628 0.92130 2.266 0 2.088 2.059 0.8800 4.698 0 2.282 5 1.342 0.577 1.427 0.94000 2.089 0 1.964 2.326 0.864 0 4.918 0 2.114 6 1.225 0.483 1.287 0.9515 0.030 1.970 0.029 1.874 2.534 0.848 0 5.078 0 2.004 7 1.134 0.419 1.182 0.9594 0.118 1.882 0.113 1.806 2.704 0.833 0.204 5.204 0.076 1.924 8 1.061 0.373 1.099 0.9650 0.185 1.815 0.179 1.751 2.847 0.820 0.388 5.306 0.136 1.864 9 1.000 0.337 1.032 0.9690 0.239 1.761 0.232 1.707 2.970 0.808 0.547 5.393 0.184 1.816 10 0.949 0.308 0.975 0.9727 0.284 1.716 0.276 1.669 3.078 0.797 0.687 5.469 0.223 1.777