stat 20 chap0

# stat 20 chap0 - 3 4 What does doing statistics include ◮...

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Stat20 Fall 2009 Chap 0. Introduction 1 / 4

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What is statistics? Quantitative facts, numerical descriptions (data) Set of tools for the collection and analysis of data ... in order to make decisions or draw conclusions from the data 2 / 4
Where do we see data analysis? News reports; Crime statistics, Trafc statistics Weather reports; Record highs and lows; precipitation School records, grades, course evaluations Consumer reports, Election polls Environmental standards, air pollution, endangered species Medical and dental records, diagnostic procedures, clinical trial Stock market, business plans, marketing surveys Genetics, genomics datamining, e.g. netFix ... and many more

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Unformatted text preview: 3 / 4 What does doing statistics include? ◮ Study design and data collection: ◮ Experiments, Studies and Surveys ◮ Ch. 1, 2, 19 ◮ Data description and exploration ◮ Graphical and numerical summeries: Ch. 3, 4 ◮ Modeling Data ◮ Ch. 5 ◮ Understanding the relationship between 2 or more variables ◮ Correlation and association: Ch. 7, 8, 9 ◮ Regression: Ch. 10, 11, 12 ◮ Understanding variation and randomness ◮ Chance and randomness: Ch. 16, 17, 18 ◮ Accuracy and measurement error: Ch. 20, 23, 24 ◮ Drawing inferences and making decisions ◮ Estimates and conFdence intervals: Ch. 21 ◮ Testing hypotheses: Ch. 26, 27 4 / 4...
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stat 20 chap0 - 3 4 What does doing statistics include ◮...

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