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Regression analysis has been used to find the line of best fit for two variables, x and y and the correlation coefficient has then

Regression analysis has been used to find the line of best fit for two variables, x and y and the correlation coefficient has then been calculated to assess the reliability of the line as a forecasting tool. What is the value of the correlation coefficient for the line that will provide the most reliable forecast? O a. -0.9 O b. 0 O c. -0.2 O d. 0.2

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