Question: A regression model is used to forecast sales based on advertising dollars spent. The regression line is y = 500 + 35x and the coefficient

A regression model is used to forecast sales based on advertising dollars spent. The regression line is y = 500 + 35x and the coefficient of determination is 0.90. Which is the best statement about this forecasting model? ANSWER Unselected Even if no money is spent on advertising, the company realizes $35 of sales Unselected The correlation between sales and advertising is positive Unselected For every $35 spent on advertising, sales increase by $1 Unselected I DON'T KNOW YET

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