Published: Jan 2009
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The objective of the mean analysis is to determine if, on average, the product scores “Just About Right,” or whether there is a skew of “Too Much” or “Not Enough” of an attribute. This method of analysis uses only the JAR data. While calculation of the JAR means is completed individually for each product, these means can be compared (see Appendixes I and J). Determining whether the mean is statistically different from the scale midpoint is discussed in Appendix F.
Kraft Foods, Glenview, IL