On Thursday 5 October 2023, Mrs. Dania Siregar, M.Si. (UNJ Statistics lecturer) gave a guest lecture at the UNY Statistics Study Program in the Multivariate Statistics course with the topic "Factor Analysis". Lecturer activities at other campuses are carried out reciprocally, on Monday 30 October 2023 Mrs. Kismiantini, Ph.D. (UNY Statistics lecturer) gave a guest lecture at the UNJ Statistics Study Program in the Multiple Variable Analysis course with the topic "Multivariate Multiple Linear Regression Models". Students from these two study programs participated actively during the lecture so that the lecture ran well. It is hoped that this activity will further strengthen cooperation between Statistics Study Programs under the auspices of the Indonesian LPTK MIPA Association (AMLI).