The chart displays the
Answer(s): D
This Pareto diagram depicts the frequencies of complaints in absolute terms. It displays the actual number of each type of complaint. The chart does not display arithmetic means, relative frequencies, or medians of each type of complaint.
A Gantt chart
A Gantt or bar chart is sometimes used in conjunction with PERT or CPM to show the progress of a special project. Time is shown on the horizontal axis, the length of a bar equals the length of an activity, and shading indicates the degree of completion. However, the Gantt chart is not as sophisticated as PERT or CPM in that it does not reflect the relationships among the activities or define a critical path.
As of week 8, the Gantt chart shows that the project is
Answer(s): B
Assuming that 1) each of the bars represents the expected time necessary to complete an activity and 2) the shaded regions represent the portions completed, activity A has been completed as scheduled and activities B and C are ahead of schedule. Consequently, the project is ahead of schedule.
When using PERT Program Evaluation Review Technique), the expected time for an activity when given an optimistic time A), a pessimistic time B), and a most likely time m) is calculated by which one of the following formulas?
Answer(s): C
PERT was developed to aid managers in controlling large, complex projects. PERT analysis includes probabilistic estimates of activity completion times. Three time estimates are made:optimistic, most likely, and pessimistic. The time estimates for an activity are assumed to approximate a beta probability distribution. PERT approximates the mean of the beta distribution by dividing the sum of the optimistic time, the pessimistic time, and four times the most likely time by six.
The process of adding resources to shorten selected activity times on the critical path in project scheduling is called
Answer(s): A
Activity times are estimated for normal effort and crash effort. Crashing is the process of adding resources to shorten activity times on the critical path in project scheduling. The network diagram and the corresponding activity cost chart for a manufacturing project at Networks, Inc. are presented below. The numbers in the diagram are the expected times in days) to perform each activity in the project.
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