1. Demand Forecast: Introduction
The next two questions refer to the following data:
Period Demand
1 56
2 58
3 60
4 62
Demand Forecast: Part 1
What is the last-value forecast for the next period
58
62
60
61
None of the above
Demand Forecast: Part 2
What is the moving-average forecast for the next period based on the last three periods
58
60
62
61
None of the above

2. Appointment Problem: Introduction
The next few questions refer to the following information:
The manager of a medical office needs to allocate time among several tasks this week to include time for patients’ appointments. Thus, she needs to forecast the number of patients who will see appointments this week. She has gathered the following data:
Week Number of Appointments
6 weeks ago 83
5 weeks ago 110
4 weeks ago 95
3 weeks ago 80
2 weeks ago 65
Last week 50
Appointment Problem: Part 1
What is the forecast for this week using the last-value forecasting method
49
50
52
65
78
Appointment Problem: Part 2
What is the forecast for this week using a moving-average forecast based on the last three weeks
49
50
52
65
78
Appointment Problem: Part 3
What is the forecast for this week using exponential smoothing with alpha = 0.2, if the forecast for two weeks ago was 90
49
50
52
65
78

3. Given the portion of the network shown below, what is the earliest finish time for activity D, if the earliest start time of A is 18 and the earliest start time of B is 15

22
24
29
33
None of the above
4. PERT/CPM Problem: Introduction
The next several questions refer to the following information:
A project consists of 7 activities (A, B, …, G). The relationships among these activities (i.e., immediate predecessors) and their estimated duration (in days) is given in the following table:
Activity Immediate Predecessor Estimated Duration
A – 7
B – 5
C – 12
D B, C 4
E A, B 9
F B, D 10
G C 15
PERT/CPM Problem: Part 1
The critical path is:
A-E
B-F
C-D-F
C-G
There are two critical paths
PERT/CPM Problem: Part 2
The duration of the critical path is:
14 days
26 days
15 days
27 days
31 days
PERT/CPM Problem: Part 3
The activity (or activities) with the greatest slack is/are:
B
A and E
C
D and F
None of the above 

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