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Unformatted text preview: STAT 506 - Sampling Theory and Methods • ANGEL • Department of Statistics • Eberly College of Science Home Lesson 4: Auxiliary Data and Ratio Estimation Submitted by gfj100 on Tue, 12/01/2009 - 09:42 Reading assignment for Lesson 4: Ch. 7.1, 7.2 of Sampling by Steven Thompson, 2nd edition. Introduction This lesson starts with the rationale for using auxiliary information about the population to estimate the unknown population parameter of interest. It then motivates the ratio estimates and the condition appropriate for ratio estimates to be used. An example for using ratio estimate when the population size is unknown is given in section 4.1. In section 4.2, an example for using ratio estimate when the population size is known is given. We then discuss the sample size needed for specified margin of error and confidence level when the ratio estimate is used. At the end of section 4.2, a small population example is given to illustrate that the ratio estimate is biased and also to demonstrate that the ratio estimate is indeed...
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This note was uploaded on 09/10/2010 for the course STAT 506 at Penn State.