The following PMP® exam sample question is taken from The Free PMP Exam Simulator at http://free.pm-exam-simulator.com - The answer is at the very bottom:

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You are the project manager of a project that is in its early phase. You need to estimate the duration of implementing the project. Based on your experience with similar past projects, you estimate a 6-month implementation time. What is this type of estimation technique called?

A) Three Point estimating
B) Bottom-up-estimating
C) WAG
D) Analogous
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The correct answer is D.