The output of a second regression analysis on the effect of advertising spending on sales is given below. Regression Analvs is: Sales versus Spend Coefficients Term Coef SE Coef T-Value P-Value Constant -1 .82 4.0? 43.49 0.534 Spend 10.69 0.526 20.6? 0.000 It the equation of the regression line is given by y : o + tut, what is the value of the slope in this equation? Give your answer to 2 decimal places