Xatamov Ochildi Qurbanovich and Zaripova Mukaddas Djumayozovna (2021) “CORRELATION-REGRESSION ANALYSIS - AS A MEANS OF IMPROVING THE QUALITY AND EFFICIENCY OF THE EDUCATION SYSTEM IN HIGHER EDUCATION INSTITUTION”, European Scholar Journal, 2(5), pp. 88-95. doi: 10.17605/OSF.IO/Q3UJ4.