Question: please show excel steps and explain stwps SHE IS, so the ocess is in control, 5. Computer upgrades have a nominal time of 80 minutes.

please show excel steps and explain stwps
please show excel steps and explain stwps SHE IS,
SHE IS, so the ocess is in control, 5. Computer upgrades have a nominal time of 80 minutes. Samples of five observations each have been taken, and the results are as listed. Using A, D3, and D4, determine upper and lower control limits for mean and range charts, and decide if the process is in control. SAMPLE 1 2 3 4 5 6 79.2 80.5 79.6 78.9 80.5 79.7 78.8 78.7 79.6 79.4 79.6 80.6 80.0 81.0 80.4 79.7 80.4 80.5 78.4 80.4 80.3 79.4 80.8 80.0 81.0 80.1 80.8 80.6 78.8 81.1 From Excel, R=1.87, X=79.96, n=5 LCL =D,R=0(1.87)=0 UCL-DR=2.11(1.87)-3.9457~3.95 LCL-X-AR-79.96-0.58(1.87)=78.6754-78.88 UCL=X+A,R=79.96+0.58(1.87)-81.0446-87.04 b. C. d. 3. Black ton c 2 co ore ton the 4. T

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