Question: Select the statement regarding the correlation coefficient (r) that is TRUE. a.) The correlation coefficient describes the direction of the association between two variables, but

Select the statement regarding the correlation coefficient (r) that is TRUE. a.) The correlation coefficient describes the direction of the association between two variables, but not the strength. b.) Correlation coefficient cannot be calculated for all scatterplots. c.) The sign of the correlation coefficient might change when we combine two subgroups of data. d.) A correlation coefficient of 1 implies a weak correlation between two variables

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