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Mathematics, 03.04.2021 04:30 williamelmore035
Usually represented by the letter r, this gives the linearity of the relationship between two variables, often in a scatterplot. The value of r ranges from -1 to 1, with -1 meaning perfect linearity and negative slope, 1 meaning perfect linearity and positive slope, and 0 meaning no linearity. It is called the coefficient.
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