根据下表绘制 30 家药店的日收入直方图：<br><img src="/assets/questions/media/RD-Sharma-Class-9-Solutions-Chapter-23-Graphical-Representation-of-Statistical-Data-Ex-23.3-7.1.png" alt="RD Sharma 9 年级解决方案第 23 章统计数据的图形表示例 23.3 7.1" srcset="https://www.learninsta.com/wp-content/uploads/2018/07/RD-Sharma-Class-9-Solutions-Chapter-23-Graphical-Representation-of-Statistical-Data-Ex-23.3-7.1.png 605w">