您平时穿的运动鞋子的码数是？Shoes size（欧码EUR）
您认为身高与鞋码的关系是 ？what do you think is the correlation between height and shoe size?
正相关positive
负相关negative
无关irrelevant
不知道noidea
您认为手长和鞋码的关系是 ？what do you think is the correlation between hand length and shoe size?
正相关positive
负相关negative
无关irrelevant
不知道noidea