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2. In a regression analysis involving 30 observations, the regression estimation equation is obtained as follows. y' = 17.6 + 3.8x] - 2.3x2 + 7.6x3

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2. In a regression analysis involving 30 observations, the regression estimation equation is obtained as follows. y' = 17.6 + 3.8x] - 2.3x2 + 7.6x3 + 2.7x4 a. Interpret bo, b1, by, by, and by in the estimation of the regression equation above b. Estimated value y when xy = 10, x? = 5, x3 = 1, and x4 = 2

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