# Class Notes for ECON221 at University of Waterloo (UW)

• 9 Result
UWECON221Pirapagaran TharmalingamSummer

## ECON221 Lecture Notes - Unimodality, Minimax, Statistical Parameter

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Lecture 1: define statistics, describe the uses of statistics, distinguish descriptive & inferential statistics, define population, sample, parameter,
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UWECON221Chris RiddellSpring

## ECON221 Lecture Notes - Lecture 2: Labour Force Survey, Interquartile Range, Descriptive Statistics

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2: use the questionnaires to give the data context. 3: use the codebook to link the software with the questionnaires. 1: define the number of bins (lev
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UWECON221Ryan GeorgeSummer

## ECON221 Lecture Notes - Simple Random Sample, Systematic Sampling, Frequency Distribution

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Deduction vs. induction: from what is given to justify of other propositions, inducting info have info and making more general assumptions. Processes r
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UWECON221Chris RiddellSpring

## ECON 221 Lecture 3: Lecture 3 notes

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Pattern: amount of error increases/decreases as x increases and error is systematically predicted (e. g. : non linearity, skewed variables: for each y
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UWECON221Ryan GeorgeSpring

## ECON221 Lecture Notes - Lecture 8: Probability Density Function, Probability Distribution, Cumulative Distribution Function

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UWECON221Ryan GeorgeSpring

## ECON 221 Lecture 9: Econ 221 - lecture 9 - continuous random variables II

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UWECON221Ryan GeorgeSpring

## ECON221 Lecture Notes - Lecture 2: Linear Combination, Variance, Inner Product Space

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UWECON221Ryan GeorgeSpring

## ECON221 Lecture Notes - Lecture 6: Cumulative Distribution Function, Random Variable, Countable Set

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UWECON221Ryan GeorgeSpring

## ECON221 Lecture Notes - Lecture 7: Conditional Probability Distribution, Covariance, Joint Probability Distribution

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