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Why isn't it enough to test every variable interdependently?

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שאלה #11676

		Because there will not be enough test cases
done		Because the single fault assumption is not realistic
		Because there will be too many test cases

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What is the drawback of testing all combinations of all variables?

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שאלה #11677

done		Because there will be too many test cases
		Because there will not be enough test cases
		Because the single fault assumption is not realistic

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All-pairs is a reasonable compromise because

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שאלה #11678

		The dual-fault assumption was proven to be correct in medical applications.
		98% of the faults conform to the single fault assumption
done		Research has shown that many faults are due to dependencies between two variables, and the number of test cases is reasonably low.

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