142,153,145,150,160,161,153,146,152这组数据的中位数是()
问题描述:
142,153,145,150,160,161,153,146,152这组数据的中位数是()
答
153,142,153,145,150,160,161,153,146,152,共10项
排序142,145,146,150,152,153,153,153,160,161
第5项为152,第6项为153
所以中位数为(152+153)/2=152.5