Operations management

1. The Burger King Corporation has collected actual sales figures for their Chicken Sandwich. The actual data in x000’s is given below:

Month 1 2 3 4 5 6 7 8

Sales 10 30 40 40 50 60 50 40

Use exponential smoothing to forecast sales for month 9. Use a smoothing coefficient of .7 and an initial forecast of 20.

2. XYZ College believes that there is a relationship between GRE scores and final GPA's. They have collected the following data.

GMAT Score 720 450 630 370

GPA 3.7 3.1 3.5 3.3

Forecast the final GPA for an incoming graduate student with a GMAT score of 500.

3. The Pall Corporation has determined that a new technology center should be constructed. They have found three potential sites. Management feels that there are five major areas that should be considered

before a decision is made. They are given in the table below. Use the criteria to make a recommendation on the location of the new facility.

Location

Criteria New York New Jersey Connecticut Importance Level

Cost of Construction 3,000,000 2,800,000 2,700,000 5

Education Level (yrs) 14 11 12 4

Cultural Events (1-10) 10 7 4 3

Transportation (1-10) 8 9 5 3

Average Salaries ($) 47,000 45,000 47,000

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5. Draw the PERT/CPM chart for the following network:

6. Develop a balanced flow shop layout for the following procedure that will produce 6 units per hour. Use the minimum number of workstations. Find the actual cycle time, productivity and efficiency.

7.

Evaluate the current process. What is the cost? Can you make any layout improvements? If so, show the new layout and calculate the new cost.

8..For the following network, find the critical path, minimum project completion time and slack for the activities.