Lecture 1

1.1 Numerical Data and Categorical Data

Data is everywhere: SSN, names, hair and color, salaries, blood-type, musical preference …

Statistics deals with collecting and summarizing data, and using it to draw conclusions with it. More about this can be found in

1.2 Nominal, Ordinal, Interval, and Ratio Data

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1.3 Sample Data and Population

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1.4 Biased Data

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1.5 Statistics, Past and Present

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1.6 The Study of Statistics

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1.7 Statistics: What Lies Ahead

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