Monday, January 17 Topic: More Inference for Proportions #Topic: Confidence Intervals #Topic: Hypothesis Testing for proportions #Topic: Chi-Squared & Hypothesis Testing Read: Utts 21 Read: Utts 22 Due: HW #7 @ hw04.shtml Vocab: one-sided hypothesis test, two-sided hypothesis test,%% type 1 error, type 2 error, (power of a test) Answer questions and do examples of inference procedures 200 british couples, 10 with wife taller than husband 61/165 correct in 1 out of 4 esp test 55 quitters out of 120 volunteers assigned to use nicotine patch 24 of 120 placebo users quit quitting measured after 8 weeks Hugo -- 11 times in 30 rolls; how unusual is that? 105 times in 300 rolls? have students roll 30 dice several times and count number of 6's rolled (work in pairs) hypothesis testing ganzfeld experiments 122 successes out of 355 trials drinking and sex 77 of 404 men, 16 of 138 wemen report of smoking results above High smoking cessation rates were observed in the active nicotine pathc group at 8 weeks (46.7% vs 20%) (P<.001) and at 1 year (27.5% vs 14.2%) (P = 0.11).