Division of Agricultural Statistics SKUAST-K;
Shalimar;
190025;
India;
Department of Mathematics;
Faculty of Science;
Al al-Bayt University;
Mafraq;
25113;
Jordan;
Department of Mathematics;
College of Science and Human Studies at HotatSudair;
Majmaah University;
Majmaah;
11952;
Saudi Arabia;
Efficiency; GM-estimates; Huber-M; ordinary least square; ratio type estimators;