The variance is a measure of dispersion or variability of a random variable. It is a weighted average of the
a. square root of the deviations from the mean
b. square root of the deviations from the median
c. squared deviations from the median
d. squared deviations from the mean
D
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If the most optimistic time for completing an activity is 23, the most likely time is 25, and the most pessimistic time is 39, then the estimated time for the activity is ______.
A. 27 B. 39 C. 42 D. 17
You receive an email message from a co-manager concerning the negative performance of an employee. How do you respond?
a. Reply to the email, adding your comments to those of your co-manager. b. Forward the email to the employee. c. Meet with your co-manager and discuss the employee's weaknesses face to face. d. Forward the email to your supervisor for her comments.
Explain the principles upon which the Wagner Act is built.
What will be an ideal response?
Explain how an annuity 10 years certain would work
What will be an ideal response?