ECO220Y1 Study Guide - Final Guide: Confidence Interval, Statistical Significance, Statistical Hypothesis Testing
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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, and f ) are provided separately. No marks will be given if you do not show your 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 significance level of 5%: is conducted at a. 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.