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QSO 600 Midterm Exam Problems

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Problem 1;Construct a Gantt chart for the project described by the following set of activities, and indicate the project completion time;Activity Activity Predecessor Time (Weeks);1 ? 5;2 ? 4;3 1 3;4 2 6;Problem 2;The Great North Woods Clothing Company sells specialty outdoor clothing through its catalog. A quality problem that generates customer complaints occurs when a warehouse employee fills an order with the wrong items. The company has decided to implement a process control plan by inspecting the ordered items after they have been obtained from the warehouse and before they have been packaged. The company has taken 30 samples (during a 30-day period), each for 100 orders, and recorded the number of defective orders in each sample, as follows;Sample Number of Defectives Sample Number of Defectives;?1 12 16?6;?2 14 17?3;?3 10 18?7;?4 16 19 10;?5 18 20 14;?6 19 21 18;?7 14 22 22;?8 20 23 26;?9 18 24 20;10 17 25 24;11?9 26 18;12 11 27 19;13 14 28 20;14 12 29 17;15?7 30 18;Construct a -chart for the company that describes 99.74% (3?) of the random variation in the process, and indicate if the process seems to be out of control at any time.

 

Paper#29601 | Written in 18-Jul-2015

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