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Lalagrl
Lalagrl
20.03.2020 • 
Mathematics

LaTroy plotted a number of data points in the form of (x, y) on a Cartesian grid with his graphing calculator and then used the linear regression feature. His calculator returned a correlation coefficient (r) of 1, suggesting a perfect correlation between x and y. Which statement is true?
A) Because there is a perfect correlation between x and y, x must cause y.
B) Because there is a perfect correlation between x and y, y must cause x.
C) Even though there is a perfect correlation between x and y, x may not cause y.
D) Even though there is a perfect correlation between x and y, x must not cause y.

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