Lecture 4 - Correlation

Lecture 4 - Correlation - Correlations Lecture Four Spring...

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    Correlations Correlations Lecture Four Lecture Four Spring 2008 Spring 2008
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    Determining Relationships Determining Relationships between Scores between Scores Graphing Correlation
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    Graphing Graphing Each subject must have a score on two variables; an X and a Y score. Coordinates of X and Y are plotted. Coordinate - paired X and Y score for a subject. X scores are placed on horizontal axis. abscissa Y scores are placed on vertical axis. ordinate
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    Regression Line Regression Line Line of Best Fit Straight line drawn through the data points. Represents the trend in the data.
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    Characteristics of Correlations Characteristics of Correlations Direction Magnitude (size)
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  Magnitude (strength) of r Magnitude (strength) of r How close r is to +1.00 or -1.00. Higher absolute value of r, the stronger the correlation. r = +1.00
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This note was uploaded on 05/05/2008 for the course KIN 369 taught by Professor Furoungxi during the Spring '08 term at Rhode Island.

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Lecture 4 - Correlation - Correlations Lecture Four Spring...

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