Simple linear regression is commonly used in forecasting and financial analysis—for a company to tell how a change in the GDP could affect sales, for example ... look at the graph below to ...

Topics covered will include the assumptions of simple and multiple linear regression, interpretation of the model, and model selection. Graphical methods useful for understanding relationships and ...

A straight line will result from a simple linear ... regression analysis, a statistician collects a set of data points, each including a complete set of dependent and independent variables. For ...

Last month we explored how to model a simple relationship ... of multiple regression changes with the sample correlation of the predictors. Balanced factorial experiments show a sample correlation ...