'Cov xy' diaporamas de présentation

Practice

Practice. Situation 1 Based on a sample of 100 subjects you find the correlation between extraversion is happiness is r=.15. Determine if this value is significantly different than zero. Situation 2

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Practice

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Lecture 2: Linear Regression

Lecture 2: Linear Regression. Bivariate Statistics. (when two variables are involved). Basic Univariate Statistics. Mean Standard deviation Variance (you know this stuff). Reason for doing a correlation. To determine whether two variables are related

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Practice

Practice. You collect data from 53 females and find the correlation between candy and depression is -.40. Determine if this value is significantly different than zero.

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Correlation

Correlation. Overview. Defined: The measure of the strength and direction of the linear relationship between two variables. Variables: IV is continuous, DV is continuous Relationship: Relationship amongst variables

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