Unformatted text preview: H . Example. Dog IQ example. > t.test(x,mu=100,alternative="less", conf.level=0.95) One Sample ttest data: x t = 4.2036, df = 9, pvalue = 0.001147 alternative hypothesis: true mean is less than 100 95 percent confidence interval:Inf 78.8531 sample estimates: mean of x 62.5 3. Pvalue computation for two sided tests. Let us continue the nicotine content example and ﬁnd the Pvalue for testing H : μ = 1 . 5 vs. H 1 : μ 6 = 1 . 5 . > 2*(1pnorm(1.979899)) [1] 0.04771488 Review Problems. Example 8.17., 8.18....
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 Fall '04
 Chung
 Statistics, PValues, Statistical hypothesis testing, H0, Student's tdistribution, Moo K. Chung

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