Mathematics · Regression Analysis

Consider the following simple regression equation of dependent variable (Y) and explanatory variable (X): Y = a + bX + ε Given the following data: S x 2 = 250, residual variance = 5, b = 0.2, and a = 0.5. What will be the overall variance S y 2 ?

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Consider the following simple regression equation of dependent variable (Y) and explanatory variable (X): Y = a + bX + &epsilon; Given the following data: S x 2 = 250, residual variance = 5, b = 0.2, and a = 0.5. What will be the overall variance S y 2 ?