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Construction Practice, Planning and Management
Mean Time in Project Evaluation and Review Technique Formulas
Mean Time, also called expected time is the time needed to complete an activity. And is denoted by t
e
. Mean Time is usually measured using the Day for Time. Note that the value of Mean Time is always positive.
Formulas to find Mean Time in Project Evaluation and Review Technique
f
x
Mean or Expected Time
Go
f
x
Expected Time given Probability Factor
Go
Project Evaluation and Review Technique formulas that make use of Mean Time
f
x
Optimistic Time given Expected Time
Go
f
x
Pessimistic Time given Expected Time
Go
f
x
Most Likely Time given Expected Time
Go
f
x
Probability Factor
Go
f
x
Standard Deviation given Probability Factor
Go
f
x
Scheduled Time given Probability Factor
Go
List of variables in Project Evaluation and Review Technique formulas
f
x
Optimistic Time
Go
f
x
Most Likely Time
Go
f
x
Pessimistic Time
Go
f
x
Scheduled Time
Go
f
x
Standard Deviation
Go
f
x
Probability Factor
Go
FAQ
What is the Mean Time?
Mean Time, also called expected time is the time needed to complete an activity. Mean Time is usually measured using the Day for Time. Note that the value of Mean Time is always positive.
Can the Mean Time be negative?
No, the Mean Time, measured in Time cannot be negative.
What unit is used to measure Mean Time?
Mean Time is usually measured using the Day[d] for Time. Second[d], Millisecond[d], Microsecond[d] are the few other units in which Mean Time can be measured.
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