组频次的英文

• class frequency

• 组:    group
• 频次:    frequency
• 组频率:    class frequency
• 组频数:    class frequency
• 频次表:    frequency table

例句与用法

1. The six sigma black belt should be able to compute the mean and standard deviation from a grouped frequency distribution
   6西格玛黑带应能从一组频次分布数据计算出均值和标准偏差。