We summarized the survey results in a contingency table. 我们把调查结果汇总成了一张列联表。
Using a contingency table, the researcher compared smoking status and disease occurrence across age groups to test whether the variables were associated. 研究者使用列联表比较不同年龄组的吸烟状态与疾病发生情况,以检验这些变量是否有关联。