Based on monthly data for 6 years, a selective multiple regression D=-12,23 +0,91 x; -2, 1x, was built The dependent attribute is the volume of consumption (in hundreds of rubles), the first factor is disposable income, the second factor is the interest rate of bank deposits. The values of the statistical coefficients are known: t, =123,7, to, =-3,2 and the coefficient of determination R² = 0,976. Give an interpretation to the coefficients. Check the statistical significance of the coefficients. Find the standard errors of the coefficients?