1. 㘳䈅ؑ ᰦ䰤˖к䈮ᰦ䰤 Singh ᮉᦸ x LEC0101: 11/15 10:10-11:00am x LEC5101: 11/15 6:10-7:00pm Eadie ᮉᦸ x 11/6 11:10AM-12:00 㘳䈅ᇩ Module 4: Sampling distributions Module 5: Data collection Module 8: Statistical test Module 9: The effective Use of Statistical Tests
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Module 4: Sampling distributions
1. Binomial model ༽Ґ Bernoulli variable: ਚᴹє㔃᷌Ⲵਈ䟿 Binomial˖Bernoulli 䟽༽ n ⅑
2. Normal Model
(1) Standard normal model ਜ਼ѹ˖ߤ ൌ 0,ߪ ൌ 1 ܺ~ܤ݅݊ሺ݊,ሻ n:s # of trialˈ䈅ཊቁ⅑ p:ᡀ࣏Ⲵᾲ⦷ ܲሺܺ ൌ ݇ሻ ൌ ቀ ݊ ݇ቁ ሺ1 െ ሻି ܧሺܺሻ ൌ ݊ ܸܽݎሺܺሻ ൌ ݊ሺ1 െ ሻ Q䈅傼ཊቁ⅑ Nᴹࠐ⅑ᡀ࣏ Sᡀ࣏Ⲵᾲ⦷ N ~ (ߤ,ߪଶ) ߤ: ݑ݈ܽݐ݅݊ ݉݁ܽ݊ ߪ: ݑ݈ܽݐ݅݊ ݏݐܽ݊݀ܽݎ݀ ݀݁ݒ݅ܽݐ݅݊ =++19:'bb
ح٤. G R H K X J b ; : 9 - Ԛ
(2) Non standard normal 䀓仈↕僔˖ 1. Ɋ઼ ɐ 2. ܼ ൌ ିఓ ఙ 3. 䈫㺘ሩᓄ Z
3. Poisson model The number of hurricane per year follows a Poisson distribution with a mean of 2. What is the probability that there are less than 2 hurricanes occurring this year? Ans: 0.406