zài / qí tā / tiáo jiàn / xiāng tóng / de / qíng kuàng / xià / fāng chā / yuè / xiǎo / shuō míng / zhè / zǔ / shù jù / yuè / wěn dìng

在其他条件相同的情况下，方差越小，说明这组数据越稳定。

When other conditions are the same, a smaller variance indicates that the data set is more stable.