The frequency polygon is simpler than its histogram counterpart . 频率多边形比直方图更简单。
2.
The relative frequency polygon has the same shape as the frequency polygon made from the same data set but a different scale of values on the vertical axis . 根据同一资料绘制的相对频率多边形与频率多边形的形状是相同的,只是纵轴上的标尺不同。