Use the given information to find the co efficient of determination. 6) The following are costs of advertising (in thousands of dollars) and the numbers of products sold (in thousands): Cost 9 3 4 2 9...

Please answer #6

Extracted text: Use the given information to find the co efficient of determination. 6) The following are costs of advertising (in thousands of dollars) and the numbers of products sold (in thousands): Cost 9 3 4 2 9 10 Number | 85 52 55 68 67 86 83 73 The equation of the regression line is y' = 2.78846x + 55.7885. Find the coefficient of determination. A) 0.7077 B) -0.0707 C) 0.5009 D) 0.2353