TY - BOOK AU - Aqleem Shaukat (25841) TI - Ratio product and regression estimators of unknown population parameters in the presence of non-response U1 - 519 PY - 2022/// CY - Islamabad PB - (unpublished) KW - Statistics KW - Random sampling design KW - Population mean KW - Population variance KW - Comparison estimators KW - DBS KW - FEAS N1 - Submitted in fulfillment of the requirements for the degree of Master of Philosophy in Statistics to the Department of Basic Sciences; Includes bibliographical references and appendixes.; Thesis supervisor: Dr. Mursala Khan; Thesis (M.Phil)--Riphah International University, 2022 ER -