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Confidence Intervals for
Comparing Data
As in Sections 7-2 and 7-3, confidence
intervals can be used informally to
compare different data sets, but the
overlapping of confidence intervals should
not be used for making formal and final
conclusions about equality of means.
Copyright © 2010, 2007, 2004 Pearson Education, Inc. All Rights Reserved.
7.1 - 86
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