统计指标是描述、评价、分析社会经济现象的重要工具，进行经济活动的分析，离不开统计指标。然而，在进行统计分析时，我们经常会发现影响社会经济现象的因素是多方面的，进行分析需要设计出较多的指标。当这些因素、指标相互独立时，则可以将问题化为单指标来逐个处理，这是? Statistical indicators are an important tool for describing, evaluating and analyzing socio-economic phenomena. Analyzing economic activities can not be separated from statistical indicators. However, during the statistical analysis, we often find that there are many factors that affect the socio-economic phenomenon and the analysis needs more indicators to be designed. When these factors and indicators are independent of each other, the problems can be treated as single indicators and processed one by one. Is this?