What does the correlation coefficient, r, mean?


The closer |r| is to 1, the more random the scatterplot is


How well the model approximates the data


None of these


It tells you if there is cause and effect

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Answer:

In statistics, the Pearson correlation coefficient, also referred to as Pearson's r, the Pearson product-moment correlation coefficient, or the bivariate correlation, is a measure of linear correlation between two sets of data.