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Related Content: CS605 - VU Lectures, Handouts, PPT Slides, Assignments, Quizzes, Papers & Books of Software Engineering II

Statistical Software Quality Assurance

Statistical SQA is a technique that measures the quality in a quantitative fashion. It implies that information about defects is collected and categorized and an attempt is made to trace each defect to underlying cause. It uses Pareto Principle to identify vital causes (80% of defects can be traced to 20% of causes) and moves to correct the problems that have caused the defects.

Read more: CS605 - Software Engineering II - Lecture Handout 30

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Related Content: CS605 - VU Lectures, Handouts, PPT Slides, Assignments, Quizzes, Papers & Books of Software Engineering II

Interpreting Measurements

A good metric system is the one which is simple and cheap and at the same time adds a lot of value for the management. Following are some of the examples that can be used for effective project control and management.

We can collect data about the defects reported, and defects fixed and plot them in the following manner, with their difference showing the defects yet to be fixed. This can give us useful information about the state of the product. If the gap between the defects reported and defects fixed is increasing, then it means that the product is in unstable condition. On the other hand if this gap is decreasing then we can say that the product is in a stable condition and we can plan for shipment.

Read more: CS605 - Software Engineering II - Lecture Handout 16