Question: A multiple regression model has the form: hat ( y ) = 5 . 2 5 + 2 . 5 x 1 + 4 x

A multiple regression model has the form: hat(y)=5.25+2.5x1+4x2. As x2 increases by 1 unit, holding x1 constant, then the value of y will increase by:
2.5 units.
7.75 units.
4 units on average.
11.75 units on average.
A multiple regression model has the form: hat(y)=5.25+2.5x1+4x2. As x2 increases

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