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# 9FA6 - Econ 180 Assignment 6 Statistical Inference I...

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Econ 180. Assignment 6: Statistical Inference I. Estimation of Parameters Research scientists, business, or government, and political pollsters are all interested in problems of estimation. Whether one is estimation the effectiveness of a new chemotherapy drug, the number of students entering college during the next decade, or the proportion of voters favoring each of three candidates in an upcoming state election for a seat in the U.S. Senate, a statistical inference must made concerning population parameter . Procedures for estimating the values of unknown population parameters from information provided by sample data are based on the theory of sampling distributions . The sample distributions enable us to associate a specific level of confidence with each statistical inference as an expression of how much faith we can place in the sample statistic correctly estimating the population parameter. Exercise: [Please show your answer mathematically and graphically]

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9FA6 - Econ 180 Assignment 6 Statistical Inference I...

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