Evaluation of the human development index (HDI) using the methods of sample theory

This paper aims to determine which of the two sample plans, i.e., a simple random without replacement, or stratified sample, gives more accurate estimate feature's mean. The feature that was subject this research is human development index in 2018. analysis included 189 countries globally, classified into specific categories according United Nations classification. results showed mean obtained by applying sampling since close population Also, variance lower than value replacement. Therefore, it justified approach stratification, indicates case conducting research, use should be considered provides precise