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).