Mathematics, 30.07.2021 02:10, teagan56

Select the appropriate descriptions of the correlation coefficient (r). r describes the clustering of the points around a line, relative to the SDs.
r says how the average value of y depends on x.
r determines the accuracy of the regression predictions, through the formula for r. m.s. error.
All of the above are accurate descriptions of the uses of r.

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Select the appropriate descriptions of the correlation coefficient (r). r describes the clustering...