RUNSTATS with column group statistics.
包含列组统计信息的runstats。
Statistics treatment was made with group t test.
统计上采用组间t检验。
Use group t test for statistics.
结果用团体t检验的方法进行统计。
Expert group on some best practices for official statistics;
关于官方统计一些最佳做法的专家组；
Expert group on some best practices for official statistics;
关于官方统计一些最佳做法的专家组；
应用推荐