Linear Regression Equation: Parameter Estimate Intercept 3.232 Slope (Protein (g)) 0.05717 Model Summary: Statistic Value Correlation Coefficient r 0.782 Coefficient of Determination r2 61.2% Residual Standard Deviation 0.2915 Statistics: Variable n Mean Std. Dev. Min. Q1 Median Q3 Max. Price (USD) 15 4.463 0.451 3.890 3.990 4.390 4.890 5.090 Protein (g) 15 21.53 6.17 9.00 18.50 20.00 24.50 36.00 the equation for the line of best fit to estimate the cost in dollars of a sandwich that has 15 grams of protein. Round your final answer to two places past the decimal