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Multiple regression model

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A multiple regression model has the form: Yhat = 5.25 + 2.5*X1 + 4*X2

As x2 increases by 1 unit, holding constant x1, then the value of y will increase by:
a. 2.5 units
b. 7.75 units
c. 4 units on average
d. 11.75 units on average

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The solution provides step by step method for the calculation of multiple regression model . Formula for the calculation and Interpretations of the results are also included.

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The regression coefficient of x2 is 4. The interpretation of this is that a 1 unit increase in X2 leads to a 4 unit increase in Yhat ...

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