descriptive statistic的用法和样例：
例句
- We used descriptive statistics to describe each item in the questionnaire, such as totals and percentages.
问卷分析方法以描述性统计分析每个项目的总数与百分比。 - Based on the affix test and subject interview, this paper analyses the acquisition of affixes by college students by means of descriptive statistics.
摘要本研究运用描述性统计方法，通过词缀构词测试和访谈，分析学生利用词缀构词知识构词的习得情况。
