ReviewCh. 7 of the PMBOK® Guide and the Week 1 ERR articles located under the "Project Estimation," "Project Scope," and "Project Risk Analysis" topic headers.

Write a 350- to 700-word paper that briefly describes each of the project estimating techniques. Include the following:

    Explain when each technique would be used.
    Explain how each technique is used.
    Provide sources of information needed to determine the most appropriate technique for a project.
    Explain what tools you could use to justify your estimates.

Format your paper consistent with APA guidelines.