If the correlation coefficient for a given scatterplot is r = -0.81, which of the following must be true about the relationship

Question

If the correlation coefficient for a given scatterplot is r = -0.81, which of the following must be true about the relationship between the explanatory and response variable?
The association is weakened by outliers.
The association must be positive.
The association has a linear form.
The association must be negative.

Kunduz · Accepted Answer

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