A regression model of the form is called a quadratic model or a second-order polynomial model.

Name: A regression model of the form is called a quadratic model or a second-order polynomial model.
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Question

A regression model of the form  is called a quadratic model or a second-order polynomial model.

Quizplus · Accepted Answer

A quadratic model or a second-order polynomial model has an equation in the form of y = ax^2 + bx + c, which is a second-degree polynomial or quadratic function. The regression model in the given format includes the necessary coefficients for a quadratic equation, so it is a quadratic model.

A Regression Model of the Form Is Called a Quadratic