yán / jiū / rén / yuán / xuǎn / zé / le / hé / shì / de / tǒng / jì / fāng / fǎ / lái / fēn / xī / diào / chá / jié / guǒ研究人员选择了合适的统计方法来分析调查结果。The researchers chose a suitable statistical method to analyze the survey results.