There are many industrial applications for which it is desirable to know whether one product can act as a substitute for another. Examples include product modifications when ingredients change, substitution of generic drugs for brand-name drugs and modifications of products in response to government regulations. In addition, some companies develop products that are direct substitutes for those of their competitors and make advertising claims concerning their equivalency.
This article appears as:
Ennis, D.M. and Ennis, J.M. (2009). Hypothesis testing for equivalence based on symmetric open intervals. Communications in Statistics, 38(11), 1792-1803.
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Hypothesis testing for equivalence based on symmetric open intervals
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