Simple linear regression Model 简单线性回归模型 Relationship between Variables Is a Linear Function The Straight Line that Best Fit the Data Y intercept Random Error Yi=Bo+B,Xi+8 Dependent (Response) Independent Slope Variable (Explanatory) VariableSimple Linear Regression Model 简单线性回归模型 Yi Xi i =  +  +  0 1 Y intercept Slope • The Straight Line that Best Fit the Data • Relationship Between Variables Is a Linear Function Random Error Dependent (Response) Variable Independent (Explanatory) Variable