Introduction
There are several factors, which have to be considered while estimating a testing project.

Assumptions Made while Estimating
While estimating a project, all the assumptions made should be written down in detail.

The Rules

· Estimation shall be always based on the software requirements
· Estimation shall be based on expert judgment
· Estimation shall be based on previous projects
· Estimation shall be based on metrics
· Estimation shall never forget the past

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Software Test Management