![Reduced regression models and tests for linear hypotheses](https://blogs.sas.com/content/iml/files/2022/10/ReducedModel2-391x336.png)
On a SAS discussion forum, a statistical programmer asked about how to understand the statistics that are displayed when you use the TEST statement in PROC REG (or other SAS regression procedures) to test for linear relationships between regression coefficients. The documentation for the TEST statement in PROC REG explains