Answer Happy

Nocaf is a bottled decaffeinated coffee. Each bottle should have a net weight of 4.0 ounces. The machine that fills the bottles with coffee is new and the operations manager wants to make sure it is properly adjusted. The data for several samples is given in the following table. Note that every sample consists of 8 bottles. A table of Quality Control Factors is provided below. Sample Sample Means A B D E F H 3.96 4.09 4.00 4.17 3.93 4.03 X-bar Chart Lower Control Limit= Find the following values (enter final answers to 2 decimal places): X-bar Chart Upper Control Limit = n 2 3 4 5 6 7 8 9 10 11 12 R Chart Upper Control Limit= R Chart Lower Control Limit= Sample L has the following values, in ounces: 4.02, 4.28, 3.96, 3.92, 4.00, 3.89, 4.03. 3.98 Is the process in control based on Sample L? (enter "Yes" or "No") A2 1.88 1.02 0.73 0.58 0.48 0.42 0.37 Range 0.41 0.52 0.34 0.31 0.29 0.27 0.48 0.56 0.62 0.44 D3 0 0 0 0 0 0.08 0.14 0.18 0.22 0.26 0.28 D4 3.27 2.58 2.28 2.11 2.00 1.92 1.86 1.82 1.78 1.74 1.72 T ▬ ■