Zài / tǒngjìxué / zhōng / jí / chā / shì / héngliáng / shùjù / lísàn / chéngdù / de / yí / gè / jiǎndān / zhǐbiāo在统计学中,极差是衡量数据离散程度的一个简单指标。In statistics, the range is a simple indicator to measure the dispersion of data.