For a Particular Regression Analysis, the Following Regression Equation Is $\hat { y } = 2.12 + 0.56 x$

Essay

For a particular regression analysis, the following regression equation is obtained: $\hat { y } = 2.12 + 0.56 x$ . Furthermore, the coefficient of determination is $0.018$ . How useful would the regression equation be for making predictions? How can you tell?