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PERT Calculations Typically Include the Duration Variance of Each Activity

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Essay

PERT calculations typically include the duration variance of each activity. What is the purpose of this calculation, i.e. what's the role of variances in PERT analysis?


Definitions:

Linearly Related

A relationship between two variables in which the change in one variable is directly proportional to the change in another variable.

Scatter Diagram

A graphical representation of data points plotted on a horizontal and vertical axis to show the relationship between two variables.

Negative Linear Relationship

A relationship between two variables where an increase in one variable leads to a decrease in the other, represented by a downward sloping line on a graph.

Dependent Variable

In statistical modeling and experiments, it is the variable assumed to depend on one or more independent variables.

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