A2/D3/D4 Table Factors for Calculating Three-Sigma Limits for the Chart and R-Chart Size of Sample Factor for UCL and LCL for x-bar-Charts Factor for LCL for R-Charts D3 Factor for UCL for R-Charts D4 (n) A2 N 1.880 0 3.267 3 1.023 0 2.575 4 0.729 0 2.282 5 0.577 0 2.115 6 0.483 0 2.004 7 0.419 0.076 1.924 co 8 0.373 0.136 1.864 9 0.337 0.184 1.816 10 0.308 0.223 1.777 Source: 1950 ASTM Manual on Quality Control of Materials, copyright American Society for Testing Materials. Reprinted with permission. (LO2DM1) Jus de Fruit Co. has set up for automated production of its new bottled Triple Berry Colada. Five samples were taken during the first week of production. The OM team wants to check if the dispersion of the process is in control. What will be the upper and lower control limits, respectively? Sample Bottle 1 Bottle 2 Bottle 3 1 20.1 20.1 19.8 N 20.0 19.1 20.0 3 19.9 20.1 19.4 4 18.0 21.8 20.5 5 20.0 19.7 20.0 A) 21.13 and 18.67 B 3.09 and o C) 2.54 and 0 D 21.1 and 18.7 E 20.59 and 19.21