zhè / zǔ / shù / jù / de / biāo / zhǔn / chā / hěn / xiǎo / shuō / míng / gè / xiàng / shù / zhí / bǐ / jiào / jiē / jìn这组数据的标准差很小,说明各项数值比较接近。The standard deviation of this data set is small, indicating that the values are fairly close together.