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LECTURE NOTES #6: Correlation and Regression

LECTURE NOTES #6: Correlation and Regression6-1 Richard GonzalezPsych 613 Version (Nov 2021) LECTURE NOTES #6: Correlation and RegressionReading assignment: Stay current with the readingKNNL Chapters 1, 2, 3, 4, and 15; CCWA chapters 1 and 2 There are several ways to think about Regression , and we will cover a few of them. Each perspective,or way of thinking about Regression , lends itself to answering different research questions. Usingdifferent perspectives on Regression will show us the generality of the technique, which will help ussolve new types of data analysis problems that we may encounter in our Describing bivariate bivariate normal distribution generalizes the normal distribution. See Figure 6-1 we want to find the relationship 1, or association, between two variables. Thiscan be done visually with a scatter plot. Examples of scatter plots are given in Figures 6-2and 6-3 with n=20 and n=500, Correlation is a quantitative measure to assess the linear association between two vari-ables.

or way of thinking about regression, lends itself to answering different research questions. Using different perspectives on regression will show us the generality of the technique, which will help us solve new types of data analysis problems that we may encounter in our research. 1.Describing bivariate data.

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