The Quality Manager at Bolton Building Supply wants to build a control chart that will help to detect if the production

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The Quality Manager At Bolton Building Supply Wants To Build A Control Chart That Will Help To Detect If The Production 1 (38.77 KiB) Viewed 11 times

The Quality Manager at Bolton Building Supply wants to build a control chart that will help to detect if the production process has a shift of the process mean. She has gathered the following data. Samples 2 4.6 4.5 44 2 1 4.5 4.2 4.3 4.3 4.7 43 4.2 4.3 43 Determine the UCL & LCL for this process given the data provided. Note: The Table for A2, D3 and D4 should show imbedded below. It can also be found in your textbook or PPT slide deck (assuming you printed it). Control Chart Factors (Table S6.1) Sample Size Mean Factor Upper Range Lower Range n A₂ D₁ D₂ 3 4 5 6 7 8 3 4.5 4.6 44 9 10 12 4 4.7 4.6 4.8 4.5 4.9 44 4.6 4.3 1.880 1.023 0.729 0.577 0.483 0.419 0.373 0.337 0.308 0.266 3.268 2.574 2.282 2.115 2.004 1.924 1.864 1.816 1.777 1.716 0 0 0 0 0 0.076 0.136 0.184 0.223 0.284