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The quantity r, called the linear correlation coefficient, measures the strength and the direction of a linear relationship between two variables. The linear correlation coefficient is sometimes referred to as the Pearson product moment correlation coefficient in honor of its developer Karl Pearson.Karl Pearson.
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1. Lecture 9CORRELATION COEFFICIENTLINEAR REGRESSIONRZESZW UNIVERSITY OF TECHNOLOGY - POLANDProf.Dr Ludomir M. Laudanski
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