In simple linear regression analysis, the regression model forms a straight line in two-dimensional space through the x,y data points, while a multiple regression model forms a plane through multidimensional space.

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In simple linear regression, the relationship between one independent variable (x) and the dependent variable (y) is modeled as a straight line. In multiple regression, where there are two or more independent variables, the model represents a plane (or hyperplane in higher dimensions) in the multidimensional space of the independent variables.

In Simple Linear Regression Analysis, the Regression Model Forms a Straight