A:众数是28
B:中位数是28
C:平均数是27.5
D:极差是8
电视剧《闯关东》中曾有传武兄弟剪辫子的情节,请问民国政府颁布剪辫令是在( )
—Can your sister draw?
— .And there are lots of pictures on her room walls.