Ap Statistics Chapter 7 Scatterplots, Association, Correlation

Correlation assumes a linear relationship between Y and X. If the relationship is actually NOT linear and correlation is calculated, odd results can occur! EG: wgt & hgt, HSGPA & CollegeGPA, drug dose & BP reduction. ESTIMATION OF CORRELATION. Data: RS of size n : (x1, y1), (x2, y2), … (xn, yn). ................
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