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# chp1 - STA2023 Statistical Methods I Dr Wei LIU Department...

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1 STA2023 Statistical Methods I Dr Wei LIU Department of Statistics University of Central Florida Room:CCII 220 Email:[email protected]

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2 Chapter 1 What is Statistics? Section 1.1: Why Study Statistics? Statistics is Fun Statistics is very Useful Statistics is the only tool to deal with uncertainty OTHERS
3 Section 1.2: What is Statistics? General Fields of Statistics: Sampling Experimental Design Descriptive Statistics Inferential Statistics

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4 Definition 1.1: Sampling Survey The purpose of sampling survey is to make sampling more efficient. It attempts to develop methods of sample selection and of estimation that provide, at the lowest possible price, estimators which are precise enough for our purpose. Definition 1.2: Experimental design One purpose of design of experiments is to compare the responses of several treatment groups with a control group in an efficient way. It attempts to develop methods for efficiently conducting the experiment and precisely interpreting the results from it.
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chp1 - STA2023 Statistical Methods I Dr Wei LIU Department...

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