In Exercise, For each exercise, determine the linear correlation coefficient by using a. Definition 4.8 b. Formula
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In Exercise, For each exercise, determine the linear correlation coefficient by using
a. Definition 4.8
b. Formula 4.3
Compare your answers in parts (a) and (b).
Transcribed Image Text:
Linear Correlation Coefficient For a set of n data points, the linear correlation coefficient, r, is defined by ¹₁ Σ(x₁ - x)(y₁ - y) r = SxSy where sx and sy denote the sample standard deviations of the x-values and y-values, respectively.
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