Making predictions based upon regression equation
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For the multiple regression equation y-hat = 100 + 20x1 - 3x2 + 120x3
a. identify the y-intercept partial regression coefficients
b. if x1 = 12, x2 = 5, and x3 = 10, what is the estimated value of y?
c. if x3 were to increase by 4, what change would be necessary in x2 in order for the estimated value of y to remain unchanged?
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Solution Summary
The solution describes the steps to understand given regression equation and predicting behavior of its variables.
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Solution :
a. identify the y-intercept partial regression coefficients
Intercept = 100
Partial regression coefficient of x1 = 20
Partial regression coefficient of x2 ...
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- BEng (Hons) , Birla Institute of Technology and Science, India
- MSc (Hons) , Birla Institute of Technology and Science, India
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