Question 7. A Procter and Gamble factory process fills boxes with detergent. Construct an appropriate set of control charts to monitor the process. Historical data for fill weight (in ounces) of eight samples is presented below. A sample size of six was used. Sample Sample Mean Sample Range 1 15.80 0.42 2 16.10 0.38 3 16.02 0.08 4 15.95 0.15 5 16.12 0.42 6 16.18 0.23 7 15.87 0.36 8 16.20 0.40 a. Compute the limits for both an R-chart and x-bar chart. Compare the sample results to the limits of the charts. b. Briefly explain what the quality control charts tell you. What actions, if any, would you take?

Please write on the board clearly letter by letter, not only the answers, type how you got the answers. Not script or snapshots are not clear. Hard to read. Thanks! I appreciate your kind help.