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Unformatted text preview: Statistical Inference Types of Test Exercises Econ203 - Midterm 1
Review Session Rafael Perez Ribas February 28, 2010 1 Statistical Inference Types of Test Exercises Distributions Hypotheses Critical Statistic Distributions Every point estimate is a random variable, such as
X S2 X1 X2 2 2 S1 S2 . First step is to obtain the standardized distribution of these r.v. (estimates) Then the test statistic, like z , t , F and 2 , is where your point estimated is located in the standardized distribution. 2 Statistical Inference Types of Test Exercises Distributions Hypotheses Critical Statistic Null and Alternative Hypotheses The Alternative Hypothesis, H1 , is ALWAYS deﬁned as what must be tested
1 2? Then H1 1...
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This note was uploaded on 02/14/2011 for the course ECON 203 taught by Professor Petry during the Spring '09 term at University of Illinois, Urbana Champaign.
- Spring '09