Suppose That the Sample Regression Equation of a Second-Order Model

question 86

Multiple Choice

Suppose that the sample regression equation of a second-order model is given by .Then,the value 4.60 is the:

• A)predicted value of y for any positive value of x.
• B)predicted value of y when x = 2.
• C)estimated change in y when x increases by 1 unit .
• D)intercept where the response surface strikes the x-axis.

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