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Question

What is the shape of the distribution of manpower over time in software development projects found by Norden?

a.

Gaussian distribution

b.

Rayleigh distribution

c.

Exponential distribution

d.

Log-normal distribution

Answer: (b).Rayleigh distribution Explanation:Norden studied the distribution of manpower over time in a number of software development projects in the 1960s and found that this distribution often had a very characteristic shape which is well-approximated by a Rayleigh distribution. Based on this finding, Putnam developed a cost estimation model in which the manpower required at time t is given by a Rayleigh distribution.

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Q. What is the shape of the distribution of manpower over time in software development projects found by Norden?

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