Which one of the following is a basic time series assumption

| March 14, 2016

Question
Question 2: Which one of the following is a basic time series assumption?
R-square is large
Past patterns will continue unchanged into the future.
Data does not exhibit a trend
Random error terms are normally distributed
Question 3: Which one of the following is a standard resource management application?
Investment portfolios
Yield management
All of the others
Petroleum refining
Question 4: Which one of the following is a project management key to success?
Heavy emphasis on coordiation
Undertime
All of the others
Contract change notices
Question 5: Which would be considered a constant task time distribution in PM?
2, 3, 4
12, 12, 12
6, 8, 10
None of the others
Question 6: How is an activity defined in a project management application?
None of the others
Average work effort that a project manager can control
Smallest work effort that a project manager can control
Largest work effort that a project manager can control
Question 7: Which one of the following best decribes a project that is in control?
Earliest start times
Feasibility region
Constrain frontier
Time cost dimension
Question 8: Which graphic is used to show a plot of X versis Y?
Bar chart
Scattter diagram
Pie chart
Histogram
Question 9: Which one of the following type of constraints is associated with surplus in an LP model?
None of the others
>=
<=
=
Question 10: How many time estimates are used in a PERT multi-time activity application?
3
2
1
4
Question 11: Which one of the following is the unknown in the multiple regression model?
Relationship between X and Y
Values of the dependent variables
Values of the independent variables
None of the others
Question 12: What is the forecasted demand using the exponential smoothing model given an actual demand of 103, a previous forecast value of 99, and an alpha of .4?
103
102.4
100.6
100.2
Question 13: Which special LP condition involves no limits on one or more of the decision variables?
Integer solution
Inconsistent solution
Unbounded solution
Multiple optimal solution
Question 14: Which technique is used for analyzing problems containing risk probabilities?
NPV
Critical path analysis
Decision trees
Break-even analysis
Question 15: Which one of the following statements regarding PM is NOT true?
All of the others
Cost overruns are rare
Most projects contain only a few tasks
Most projects involve no uncertainty
Question 16: What is another expression for R-squared?
COD
Correlation coefficient
Slope
Intercept
Question 17: Which one of the following special LP conditions does NOT reguire reformulation to obtain a solution?
Infeasible solution
Unbounded solution
None of the others
Multiple optimal solutions
Question 18: What decision should be made when the computed t statistic is greater than the critical t statistic regarding a predictor regression variable?
Increase the sample size
Do not reject the hypothesis of no relationship
Decrease the sample size
Reject the hypothesis of no relationship
Question 19: Which one is the unknown in a linear programming model?
Values of the decision variables
Left-hand-side values
Objective function
Types of constraints
Question 20: Which one of the following is a reason that projects fail?
Lack of proper documentation
All of the others
Premature commitment to a fixed budget and schedule
Failure to obtain executive support
Question 21: Which decision support system determines the allocation of resources among a large number of options?
Linear Programming
Multi Factor Analysis
Value Analysis
None of the others
Question 22: How is slack defined in project management?
LST-LFT
EST+LST
EST-LST
LST-EST
Question 23: Which one of the following best characterizes a high customization and low volume operation?
Hotel chain
Airlines
Family doctor
Power generation
Question 24: What is the value for Y given the regression equation: Y = 20 – 3X1 + 5X2 +4X3 for X1=6, X2=2, X3 =3
34
14
28
None of the others
Question 25: Which distribution best describes the critical time for a multiple task times PM network analysis?
Normal
Random
Uniform
Constant
Question 26: Which PM application is used when there is task time uncertainty?
Time/Cost analysis
Multiple Time Estimates
Crashing
None of the others
Question 27: Which one is a characteristic of a LP decision variable?
Must exist for each constraint
None of the others
Represents the value of the constants
Must exceed the number of constraints
Question 28: Which type of constraint is associated with the transportation model?
<>
=>
=
<=
Question 29: Which one of the following is an example of a judgmental forecasting method?
Time series smoothing
Moving average
None of the others
Linear regression
Question 30: Which one of the following involves the assignment of adjustment factors to data?
Crashing
Normalizing
Weighting
Sampling

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