The annual average values of the Consumer Confidence Index for the years 1967-1996 are given in the

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The annual average values of the Consumer Confidence Index for the years 1967-1996 are given in the file P2_28.XLS. Construct a boxplot to find the middle 50% of this distribution of values. Characterize the nature and amount of the variability about the interquartile range in this case.

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Managerial Statistics

ISBN: 9780534389314

1st Edition

Authors: S. Christian Albright, Wayne L. Winston, Christopher Zappe

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