Project Management: The Managerial Process (Mcgraw-hill Series Operations and Decision Sciences)
Project Management: The Managerial Process (Mcgraw-hill Series Operations and Decision Sciences)
7th Edition
ISBN: 9781259666094
Author: Erik W. Larson, Clifford F. Gray
Publisher: McGraw-Hill Education
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Chapter 5, Problem 3RQ
Summary Introduction

To determine:

The difference between bottom-up and top-down estimating approach and the situation where bottom-up is preferred over top-down and vice-versa.

Introduction:

Top down approach makes a rough estimate of the project cost and time duration and then breaks into more details to get the activity time and cost.

Bottom up approach first makes concrete estimate of the activities’ time and cost and them consolidates them to make budget and cost estimates for the project.

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