The correct answer is the sum of the variances of all activities on the critical path.
The Program Evaluation and Review Technique (PERT) is a tool used in project management to calculate the duration of a given activity, a set of activities, or even an entire project.
Critical Path Analysis and PERT Charts are powerful tools that help you schedule and manage complex projects.
Answer:
observer effects.
Explanation:
Observer effects refer to a form of reaction due to the cognitive bias of a researcher causes an unconscious influence on the participants involved in the research. In other words, the observers see a behavior and interpret it according to what it means to them, while not considering the context in which the participant behaved that way.