Stratification of Sample Based on Economic Regions
The sample was stratified into four principal economic regions: 'Eastern', 'Central', 'Western', and 'Northeastern'.
原文地址: https://www.cveoy.top/t/topic/kyDK 著作权归作者所有。请勿转载和采集!
- 上一篇: 重庆中专学校学什么好？热门专业推荐及就业前景
- 下一篇: 重庆中专学校考本科指南：如何顺利考入？