In order to predict y-values using the equation of a regression line, what must be true...

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In order to predict y-values using the equation of a regression line, what must be true about the correlation coefficient of the variables? Choose the correct answer below. A. The correlation between variables must be significant. B. The correlation between variables must be a y-value of a point on the graph. C. The correlation between variables must be greater than zero. D. The correlation between variables must be an x-value of a point on the graph. In order to predict y-values using the equation of a regression line, what must be true about the correlation coefficient of the variables? Choose the correct answer below. A. The correlation between variables must be significant. B. The correlation between variables must be a y-value of a point on the graph. C. The correlation between variables must be greater than zero. D. The correlation between variables must be an x-value of a point on the graph.