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F-Chart - definition(s)

F-Chart - An F-Chart is a chart that carries a significant amount of misleading information, rendering it unfit for the intended analysis. A good example of an F-Chart can be found in the boxplots output of the 2-Sample t-test, and One Way ANOVA in Minitab release 14. The presence of a line connecting the means of each subgroup serves no apparant purpose, and could potentially mislead the reader into thinking that a steep gradient indicates a significant difference. The "F" comes from the latin 'fuccant'.

[Category=Data Quality ]

Source: iSixSigma, 21 January 2011 08:37:48, External 

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