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01_Introduction

# 01_Introduction - Introduction p 1 Question Real Life...

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NTHU MATH 2820, 2008, Lecture Notes Introduction, p. 1 Question Statistics 占卜學 Information 未來的資訊 Data 水晶球 Statisticians 崔老妮 Real Life 哈利波特 aim of statistics : provide insight by means of data made by Shao-Wei Cheng (NTHU, Taiwan) Introduction, p. 2 Data Collection Statistical Modeling Data Analysis Decision Making Statistics divides the study of data into four steps: Basic Procedures of Statistics Data: X 1 , …, X n ¾ Q : What is a statistical model? ¾ X 1 , …, X n joint cdf F X /pdf f X /pmf p X with parameters Θ X 1 , …, X n Θ Transformations g 1 ( X 1 , …, X n ), …, g k ( X 1 , …, X n ) Extract Information

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NTHU MATH 2820, 2008, Lecture Notes Introduction, p. 3 Data Collection Statistical Modeling Data Analysis Decision Making 1. Data collection : producing representative data for drawing correct information survey sampling design of experiment observational data Data Collection Statistical Modeling Data Analysis Decision Making 2. Statistical modeling
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