In a regression analysis involving 30 observations, the following estimated regression equation was obtained. = XXXXXXXXXX x 1 - 2.3 x 2 + 7.6 x 3 = 2.7 x 4 a. Interpret b 1 , b 2 , b 3 , and b 4 in...

In a regression analysis involving 30 observations, the following estimated regression equation was obtained.

 = 17.6 + 3.8x
₁ - 2.3x
₂ + 7.6x
₃ = 2.7x
₄

a. Interpretb
₁,b
₂,b
₃, andb4 in this estimated regression equation.

b. Estimateywhenx
₁ = 10,x
₂ = 5,x
₃ = 1, andx
₄ = 2.