00842nam a22001697a 4500040003700000082001300037100002300050245009000073260003500163300003100198500014700229500004100376500009500417502005900512546001200571650008900583  cRiphah International University   a519bASA  aAsad Ullah (21584)  aImproved ratio and regression estimator of population mean in simple random sampling   aIslamabadb(Unpublished)c2023  axiii, 68 p.c; 30 cm.e+CD  aSubmitted in partial fulfillment of the requirements for the degree of Master of Philosophy in Statistics to the Department of Basic Sciences.  aIncludes bibliographical references.  aThesis supervisor: Prof. Dr. Muhammad Aslam
Thesis co-supervisor: Prof. Dr. Muhammad Ilyas  aThesis (M.Phil)--Riphah International University, 2023  aEnglish  aStatisticsvSimple random sampling vMean square errorvRatio estimation vDBSvFEAS