8. The statistical measure that indicates how measured data vary from the given mean value of that data is known as the A. Hypothesis B. Sample C. Variance D. Confidence interval
8. The statistical measure that indicates how measured data vary from the given mean value of that data is known as the A. Hypothesis B. Sample C. Variance D. Confidence interval
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:8. The statistical measure that indicates how
11. By using the appropriate table, the F-value for
measured data vary from the given mean value
(Foos, V = 4,v, = 11) is:
of that data is known as the
A. 2.95
А. Нурothesis
B. Sample
В. 3.18
С. 3.36
C. Variance
D. 8.62
D. Confidence interval
12. What is the purpose of using Critical Path
Questions 9 - 10 refers to the scenario below:
Method in business?
Analysis of variance
A. To create a formula based upon the most
likely time and least likely time.
Degree of
freedom
Source
Sum of
Mean
F- Ratio
squares
square
B. To find the shortest time to complete the
Between
29.6
2
MS,
F
Samples
Within
project.
Sample
Error
95.4
n-k
MSW
C. To find out faults in the system.
D. A method of mapping out the plan for a
Total
125
13
particular activity
9. The values of the "within samples" degree of
freedom (n-k) and “within sample" mean
13. The use of a dummy activity in drawing network
diagram is to
square (MSw ) are:
A. n-k =11 , MS, =8.67
A. maintain the appropriate relationship in the
diagram
B. n-k =11 , MSw = 6.85
B. show that time and resources are used up
C. n-k =13, MSw = 6.27
C. indicate the critical path
D. n-k =15 , MS = 7.67
D. enable the ease of calculation of activity
time
10. The value of F in the table is:
A. 5.50
14. For a given activity G, a = 7, b=11 and m=4 .
В. 0.35
What is the variance of the activity?
С. 2.89
A. 0.44
D. 1.71
В. 0.67
С. 1.17
D. 1.36
3

Transcribed Image Text:15. Which of the following rules for the
19. If the project completion time is normally
construction of a PERT diagram is
distributed and the due date for the project is
INCORRECT?
greater than the expected completion time, then
A. No activity can start until its tail event is
the probability that the project will be finished
reached
by the due date is:
B. Loops are allowable in the network
A. less than 0.5
C. An event is not complete until all activities
B. greater than 0.5
leading into it are complete
C. equal to 0.5
D. A network should have only one entry
D. undeterminable without more information
event and one exit event
20. The latest finish time for an activity is found
16. Of all the paths through a network, the critical
during the backward pass through the network.
path has the
The latest finish time is equal to the:
A. maximum actual time
A. largest LF of the activities for which it is
B. maximum expected time
an immediate predecessor.
C. minimum actual time
B. smallest LF of the activities for which it is
D. minimum expected time
an immediate predecessor.
C. largest LS of the activities for which it is
17. Which of the following statements best describe
an immediate predecessor.
the way in which the critical path may be
D. smallest LS of the activities for which it is
determined?
an immediate predecessor.
A. The earliest start time equals the latest start
time
B. The pessimistic time is the least in minutes
C. Milestones are equal in length
4/6
D. Variance
18. In the forward pass through a CPM network, the
EFT for an activity is computed by:
A. adding the EST to the LST
B. subtracting the EST from the LST
C. adding the activity time to the EST
D. adding slack values to the activity time
4
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