Question

What are the techniques used to estimate the parameters in BM and LPM models?

a.

Maximum Likelihood

b.

Least Squares

c.

Both Maximum Likelihood and Least Squares

d.

Neither Maximum Likelihood nor Least Squares

Posted under Software Testing Software Engineering

Answer: (c).Both Maximum Likelihood and Least Squares Explanation:The parameters in BM and LPM models can be estimated by measuring the points in time at which the first N failures occur and translating these points into pairs of execution time and mean failures. Techniques such as Maximum Likelihood and Least Squares can be used for this purpose.

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