Susanto, H.P., Noviantari, I., Meifiani, N.I., Purnamasari, M.I., Prasetyo, T.D., Kusuma, M. and Sumin, S. 2025. Development of user-friendly simple statistical software: Linear regression analysis series. Psychology, Evaluation, and Technology in Educational Research. 7, 2 (Jan. 2025). DOI:https://doi.org/10.33292/petier.v7i2.242.