TY - BOOK AU - Saira Khalid (30359) TI - On the development of logarithmic estimators of population variance in simple random sampling U1 - 519.5 PY - 2024/// CY - Islamabad PB - (Unpublished) KW - Statistics KW - Supplementary variable KW - Unbaised estimation KW - Deviation KW - Ratio KW - DBS KW - FEAS N1 - Submitted in partial fulfillment of the requirements for the degree of Master of Philosophy in Statistics to the Department of Basic Sciences; Includes bibliographical references; Thesis supervisor: Prof. Dr. Muhammad Aslam; Thesis (M.Phil)--Riphah International University, 2024 ER -