lecture9 - Stat 20 Intro to Probability and Statistics...

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Stat 20: Intro to Probability and Statistics Lecture 9: Regression Methods Tessa L. Childers-Day UC Berkeley 7 July 2014
Today’s Goals The Intuition The Mechanics Some Caveats Simplification By the end of this lecture... You will be able to: Decide if regression is applicable to a given situation Construct and interpret regression estimates for averages and individuals Calculate the equation of a regression line 2 / 34
Today’s Goals The Intuition The Mechanics Some Caveats Simplification Correlation is great, but... Correlation is a very limited quantity Strength of linear association between x and y Doesn’t actually do anything with the association We believe there is a linear association. Let’s use it.

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