把每一组的频率逐组相加,找出包含中位数的那一组.Add the frequencies in each class to find the class that contains that centermost element.一半数值低于中位数,一半数值高于中位数.One half of its values will be found below and one half above the median.儿童发铅中位数为7.45×...
Horoscopes are merely harmless escapism from an ever-bleaker world.占星术只不过是让人逃避越发令人沮丧的世界的无害消遣罢了。On the ground the mood is bleaker.具体形势更加严峻.Third, as has been noted, he is concerned blacker and bleaker problems than Emerso...
脸盆架上方用钉子挂着一面镜子。A mirror hung on a nail above the washstand.卫生间里装了两个抽水马桶、两个淋浴器、和两个洗脸盆。The bathroom is furnished with 2 toilets, 2 showers, and 2 sinks.脸盆边上有个小豁口。The washbasin had a small chip....