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Canada (509,656)
SOAN 2120 (390)
Scott Schau (113)
Lecture

Lecture Feb.8

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Department
Sociology and Anthropology
Course
SOAN 2120
Professor
Scott Schau
Semester
Winter

Description
LEC 14Feb 8In a scatterplot one axis is used to represent each of the variables and the data are plotted as points on the graph Some plots dont have clear explanatory and response variables Form and Direction of an AssociationLinearNonLinearNonRelationshipThe Correlation Coefficient rThe correlation coefficient is the measure of the direction and strength of a relationship It is calculated using the mean and the standard deviation of the the x and y variables Correlation can only be used to describe QUANTITATIVE variables Categorical variables dont have means and standard deviations r ranges from 1 to 1r quantifies the strength and direction of
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