The guest lecture program on the Regression Analysis Course was held together with the Statistics Study Program of Universitas Negeri Makassar. The lecturer in the Regression Analysis course is Andika Putri Ratnasari, S.Stat., M.Si. This guest lecture program was held online on April 29 2024 by Dr. Ruliana, S.Pd., M.Sc. and Andi Arisyi Zulwaqar, S.Stat., M.Sc. This activity was not only attended by students from the UNY Statistics Study Program but also students from the UNM Statistics Study Program. The lecture topics discussed in this guest lecture are Estimation of Parametric Regression Models with MLE and OLS, Inference of Parametric Regression Models, and Regression Case Studies.