Survival on the Titantic: Illustrating Wald and LM Tests for Proportions and Logits
AbstractStudents are very interested in lecture examples and class exercises involving data connected to the maiden voyage and the sinking of the liner Titanic. Information on the passengers and their fate can be used to explore relationships between various tests for differences in survival rates between different groups of passengers. Among the concepts examined are tests for differences of proportions using a normal distribution, a chi-square test for independence, a test for the equality of two logits and a test for the significance of the coefficient of a binary variable in logit model. The relationship between Wald and LM test statistics is also examined. Two related examples are given, one to be used for step by step instructional purposes and one to be given as an exercise to students.
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Bibliographic InfoPaper provided by The University of Melbourne in its series Department of Economics - Working Papers Series with number 964.
Length: 33 pages
Date of creation: 2006
Date of revision:
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Postal: Department of Economics, The University of Melbourne, 4th Floor, FBE Building, Level 4, 111 Barry Street. Victoria, 3010, Australia
Phone: +61 3 8344 5355
Fax: +61 3 8344 6899
Web page: http://www.economics.unimelb.edu.au
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Contingency table; Difference in proportions; Logit model; Statistical tests;
Find related papers by JEL classification:
- A22 - General Economics and Teaching - - Economic Education and Teaching of Economics - - - Undergraduate
- A23 - General Economics and Teaching - - Economic Education and Teaching of Economics - - - Graduate
- C12 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Hypothesis Testing: General
- C25 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Discrete Regression and Qualitative Choice Models; Discrete Regressors; Proportions
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