In this study, the method of least squares-fit is used to estimate the regression coefficients in MLR model. Producing a fit using a linear model requires minimizing the sum of the squares of the residuals. A plot of residuals visually gives a good insight about goodness of fit. The goodness of fit is also measured by Coefficient of Determination (R2) and Adjusted Coefficient of Determination (R2) which indicates how closely obtained values match the dependent variable of the model. The following equation shows the regression equation for the proposed linear regression model: