资讯

Pew Research Center8 年
Oversampling is used to study small groups, not bias poll results
When we want to look closely at small groups, we have to design the sample differently so that we have enough respondents in each group to analyze. We do this by giving members of the small group a ...
Capital Market on MSN8 天
Revamped Periodic Labour Force Survey to offer enhanced coverage of labour market indicators
Ministry of Statistics & Programme Implementation has noted some changes in Periodic Labour Force Survey (PLFS) from 2025. As ...