Question

What are some of the reasons for the discrepancies between existing cost estimation models?

a.

Different models use different definitions of size and effort

b.

The notion of effort does not always mean the same thing

c.

Most models give a relation between man-months needed and size

d.

All of the above

Posted under Cost Estimation Software Engineering

Answer: (d).All of the above Explanation:There are many reasons for the discrepancies between existing cost estimation models, including different definitions of size and effort, different meanings of the term effort, and the use of different measures and cost drivers.

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