The use of the Multiple Comparison Test in checking product variability

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Abstract
Summary: The Multiple Comparison Procedure, in which the size of difference of a number of samples from a labelled control is assessed by a panel, was used to demonstrate the flavour variation between jars of two commercial brands of instant coffee. One brand was shown to have moderate to large flavour differences between jars, whereas in the other brand, differences were generally slight. The procedure is suitable as a quality control technique for comparing a number of samples at a panel session.

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