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Practical Applications of Data Mining
book

Practical Applications of Data Mining

by Sang C. Suh
January 2011
Intermediate to advanced
420 pages
12h 32m
English
Jones & Bartlett Learning
Content preview from Practical Applications of Data Mining
152 Chapter 4 StatiStiCS for Data Mining
SQL 6 retrieves the Z value 2.0, which means that the data values do not
strongly reject the null hypothesis with a probability of 97.5%. Since the value
is not much more than 1.96, we do not reject the null hypothesis that there is
no difference in sale prices between corner-located and non–corner-located
houses. We do not have sufficient evidence to conclude that the null hypoth-
esis is wrong, and we are not in favor of the alternative hypothesis. Therefore,
the prices for the corner-located houses and the prices for the non–corner-
located houses are not considered different.
4.5 correlatIon coeffIcIent ...
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Publisher Resources

ISBN: 9780763785871