**Unformatted text preview: **H . Example. Dog IQ example. > t.test(x,mu=100,alternative="less", conf.level=0.95) One Sample t-test data: x t = -4.2036, df = 9, p-value = 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. P-value computation for two sided tests. Let us continue the nicotine content example and ﬁnd the P-value for testing H : μ = 1 . 5 vs. H 1 : μ 6 = 1 . 5 . > 2*(1-pnorm(1.979899)) [1] 0.04771488 Review Problems. Example 8.17., 8.18....

View
Full Document

- Fall '04
- Chung
- Statistics, P-Values, Statistical hypothesis testing, H0, Student's t-distribution, Moo K. Chung