Lect26_Final_Review

# Lect26_Final_Review - lecture 26 Review lecture 26 Review...

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lecture 26, Review lecture 26, Review About Final Exam ± Time: 14-Dec-2009 (Mon), 12:30-15:30 ± Venue: Hall (S H Ho Sports Hall) — Don’t know where it is? Check https://www.ab.ust.hk/arr/reg/em/em_std_time/ Hallp.pdf ± Closed-book Exam ± You may only bring pens, one simple scientiﬁc calculator and one A4 sheet of two-sided hand-written formulas. Only one simple scientiﬁc calculator per student is permitted to be used during the examination. NO EXCEPTIONS. Backup calculators will NOT be provided. Calculators may not be shared. No other electronic device (e.g., cell phone, PDA. ..) is allowed ± Standard normal table, t table and scratch paper will be provided ± The exam will be based on lecture notes.

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lecture 26, Review lecture 26, Review Sampling Distributions ± The sampling distribution of sample mean ¯ X is (approximately or exactly) normal with mean μ ¯ X = μ and standard deviation σ ¯ X σ/ n Exactly normal if the population is normal; approximately normal if the sample size is large σ ¯ X = σ/ n if sample with replacement or the population size is inﬁnity; σ ¯ X = p ( N - n ) / ( N - 1 ) · σ/ n if sample without replacement, σ ¯ X σ/ n when N / n 20 . ± The sampling distribution of sample proportion
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Lect26_Final_Review - lecture 26 Review lecture 26 Review...

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