MUF0142 Fund. Mathematics Unit 2 Semester 2, 2025 MUF0142 基金。数学单元 2 2025 年第 2 学期 6.1 Displaying/Summarising Bivariate Data Quiz (Formative) 6.1 显示/总结双变量数据测验（形成性）

The variables response time to a drug and drug dosage are linearly associated, with变量对药物的反应时间和药物剂量呈线性相关，其中r = −0.9. From this information, we can conclude that:r = −0.9。根据这些信息，我们可以得出结论：