معنی regression to the mean, معنی قثلقثسسهخئ فخ فاتث وثشئ, معنی regression to the mean, معنی اصطلاح regression to the mean, معادل regression to the mean, regression to the mean چی میشه؟, regression to the mean یعنی چی؟, regression to the mean synonym, regression to the mean definition,