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Definition of Alternative hypothesis

Alternative hypothesis Definition from Business & Finance Dictionaries & Glossaries
Sean_Woo's Finance,GIS & Real Estate Glossary
a claim about a population parameter that will be true if the null hypothesis is false.
Raynet Business & Marketing Glossary
in research, a statement that suggests a difference or an effect is present (i.e. there is an alternative). The alternative hypothesis is adopted when the null hypothesis has been disproved.
Copyright © 2001, Ray Wright
Alternative hypothesis Definition from Encyclopedia Dictionaries & Glossaries
English Wikipedia - The Free Encyclopedia
In statistical hypothesis testing, the alternative hypothesis (or maintained hypothesis or research hypothesis) and the null hypothesis are the two rival hypotheses which are compared by a statistical hypothesis test.

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Alternative hypothesis Definition from Medicine Dictionaries & Glossaries
Glossary of Epidemiology Terms
The hypothesis, to be adopted if the null hypothesis proves implausible, in which exposure is associated with disease.