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POL322 Lecture #6 .docx

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Department
Political Science
Course
POL101Y1
Professor
Agria
Semester
Fall

Description
102113 POL332 Lecture 6 Point Estimation first statistical inference method E over Y 3 Methods of Statistical Inference 1 Point Estimationa Point Estimation is to provide a single value or point to estimate the population parameter of interest ie it provides the best guess about the value of the parameter b As our intuition suggests a point estimation of the population mean EY is given by the sample meany c In general we estimate the population parameter of our interest by a specific sample statistics d Estimator is a particular type of sample statistic for estimating a parameter e Estimate is a specific value of the estimator computed from a given samplewe use a hat over a parameter symbol to represent an estimate of the parameterSampling Error when the difference between a population parameter and an estimator which is used to estimate the parameter in a particular sampleo where y va does not equal EY Sampling Distributiondistribution of a sample statistic
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