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An assembly line is to be designed to operate 7 1/2 hours per day and supply a steady demand of 300 units per day. Here are the tasks and their performance times:
PRECEDING Performance Preceding Performance TASK TASKS Time (Sec) Task Tasks Time (Sec) a - 70 g d 60 b - 40 h e 50 c - 45 i f 15 d a 10 j g 25 e b 30 k h, i 20 f c 20 l j, k 25
a. Draw the precedence diagram.
b. What is the workstation cycle time?
c. What is the theoretical minimum number of workstations?
d. Assign tasks to workstations using the longest operating time.
e. What is the efficiency of your line balance?
f. Suppose demand increases by 10 percent. How would you react to this? Assume that you can operate only 7 1_2 hours per day.
Swearingen and McDonald, a small furniture manufacturer, produces fine hardwood tables and chairs. Each product must go through three stages in the manufacturing process - assembly
Determine the sample standard deviation(s) for the following data: 7, 9, 2, 0, 1, and 5. s = 2.805 s = 3.266 s = 2.927 s = 3.578
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What issues can organizations experience when implementing large database systems and data warehouses? What best practices would you recommend to an organization to mitigate these
1. (a) For the measurement data presented below, draw a frequency histogram using a class width of 0.1 mm; calculate the sample means and superimpose their frequency histogram; com
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Describe the nature and components of, and the issues currently facing, executive compensation in various U.S. industries.
1. Reflecting on McGroddy's comments - what are the implications for the operations manager? Answer: The point to note here is that organisations resist change. It suggests that
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