28 PDCA, developed by Shewhart, stands for which of the following? Select one: a. Plan-Develop-Check-Accept b. Problem-Do-Continue-Act c. Prepare-Develop-Create-Assess d. Plan-Do-Check-Act e. Problem-Develop Solution-Check-Act

Exercise SA-5 (Algo) Least-Squares Regression (LO5-11 George Caloz & Frères, located in Grenchen, Switzerland, makes luxury custom watches in small lots. One of the company's products, a platinum diving watch, goes through an etching process. The company has recorded etching costs as follows over the last six weeks: Week 1 2 3 4 Units 14 11 16 10 12 15 78 Total Etching Cost $ 27 20 30 20 25 28 $150 For planning purposes, management would like to know the variable etching cost per unit and the total fixed etching cost per week. Exercise 5A-5 Part 2 (Algo) 2-a. Using the least-squares regression method, estimate the variable etching cost per unit and the total fixed etching cost per week. 2-b. Express these estimates in the form Y = a + bx.

true or false 8.Influence diagrams cannot be regarded as a method for eliciting decision trees.

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