ECO220Y1 Study Guide - Final Guide: Confidence Interval, Statistical Hypothesis Testing, Test Statistic
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ECO220Y1 Full Course Notes
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Calculator and two aid sheets (four 8. 5x11 pages) written or typed on both sides: this exam consists of 22 questions in 15 pages including this cover page. It is the student"s responsibility to hand in a complete exam. Any missing page will get a zero mark: statistical table (standard normal, t, show your work in part 2. No marks will be given if you do not show your. 2 and f ) are provided separately. work: this exam is worth 40% of your course grade. Do not write on the space below, for markers only. Multiple choice (3 marks each, no part marks. The following hypothesis test about a population mean is conducted at a significance level of 5%: Suppose we know the population standard deviation is =72. The sample size is: for approximately what true values of is the probability of a type ii error between 20% and 30%? (a) between 160 and 164.