In order to predict​ y-values using the equation of a regression​ line, what must be true about the correlation coefficient of the​ variables?       Question content area bottom Part 1 Choose the correct answer below.     A. The correlation between variables must be an​ x-value of a point on the graph.   B. The correlation between variables must be a​ y-value of a point on the graph.   C. The correlation between variables must be significant.   D. The correlation between variables must be greater than zero.

Q: Part d? My answers are wrong.

A: ANSWER :​​

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