Quote: statistical usage testing is 21 times more effective than coverage testing because most errors are seldom observed

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Table 2 summarizes Adams's data [IBM J Research & Development Jan 1984], which has … a major IBM system like MVS, Cobol, and … [p. 48] Groups 1 and 2, which represent failures … percent of fixes made but only for 2.9 … If you use coverage testing, you would spend … only 2.9 percent of the failures, and only … Using the data in Table 2, we can … [statistical] usage testing is 21 times more effective at increasing MTTF …   Google-1   Google-2

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Topic: statistical testing based on a usage profile (27 items)