GSCM 209 Final Exam

GSCM 209 Final Exam 

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1. (TCO 8) Name three of the measures of a queue’s performance. (Points : 15)

 

2. (TCOs 11 and 12) Describe the steps of the simplex method that follow setting up the initial tableau. (Points : 15)

Ans) The simplex method changes constraints (inequalities) to equations in linear programming problems, and then solves the problem by matrix manipulation. The solution set for the altered problem is of higher dimension than the solution set of the original problem, but it is easier to study with matrices.

3. (TCOs 15 and 16) List the two approaches to setting up a PERT or CPM network, and describe the difference between the two. (Points : 15)

4. (TCO 16) What is meant by the following statement?
In PERT, we employ a probability distribution. (Points : 15)

5. (TCOs 3, 4, and 5) Define the term coefficient of correlation, and provide a possible explanation of finding a negative correlation between payroll and sales. (Points : 15)