Using 20 observations, the multiple regression model y = Bo + B1x1 + B2x2 + ɛ was estimated. A portion of the regression results is as follows: Significance F 3.07E-08 df SS MS F Regression Residual 2 2.12E+12 1.06E+12 56.556 17 3.19E+11 1.88E+10 Total 19 2.44E+12 t Stat -7.505 Upper 95% -709,941 98,125 Coefficients Standard Error p-Value 0.000 Lower 95% Intercept -987,557 131,583 32,653 -1,265,173 X1 29,233 0.895 0.383 -39,660 X2 30,283 32,645 0.928 0.367 -38,592 99,158

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.