Reference
The applied regression analysis module provides a quick overview of regression analysis, especially simple linear regression. The author highly recommends the newer edition of a popular textbook originally published by John Neter 1974 (Kutner et al., 2005).
Kutner, M. H., Nachtsheim, C. J., Neter, J., & Li, W. (2005). Applied linear statistical models (Vol. 5). McGraw-Hill Irwin New York.