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Unformatted text preview: by chance.” It is the probability we are willing to risk that we say H is false when it is really true. If the pvalue is less than α then we have statistically significant evidence against the null hypothesis. General Procedure (1) Set up hypothesis statement (2) Set Level of Significance ( α ) (3) Gather the Data (4) Calculate the pvalue (5) Draw your conclusion Possible Conclusions: We have significant evidence against the null hypothesis in favor of the alternative hypothesis. (pvalue ≤ α = we reject H ) or We do not have significant evidence against the null hypothesis. (pvalue > α = we fail to reject H )...
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This note was uploaded on 02/10/2011 for the course STAT 110 taught by Professor Johnson during the Spring '07 term at South Carolina.
 Spring '07
 JOHNSON
 Statistics

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