Math Solutions

(See Steps) In a regression analysis involving 30 observations, the following estimated regression equation was obtained. ŷ = 17.6 + 3.8x1- 2.3x2 + 7.6x3

Question: In a regression analysis involving 30 observations, the following estimated regression equation was obtained. ŷ = 17.6 + 3.8x1- 2.3x2 + 7.6x3 + 2.7x4

  1. Interpret b1, b2, b3, and b4 in this estimated regression equation.
  2. Predict y when x1 = 10, x2 = 5, x3 = 1, and x4 = 2.

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