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2011年江苏省进行了高考招生制度改革,即在高职院校中实行“注册入学”也就是采用注册招生入学的模式。这种招生模式带来的最大问题就是招收来的学生整体素质不高。在实际教学过程中,发现“调和平均数”这些内容,大多数学生听不懂,感觉很是抽象和困难。因此,结合注册招生学生的现状大胆地提出了在高职统计教材中应删除调和平均数的课程改革探索。同时,根据对调和平均数的理解认为:调和平均数就是算术平均数的特殊形式,没有独立存在的必要。因此,在高职统计教材中删除调和平均数,事所必至,势在必行。
Jiangsu Province in 2011 conducted a college entrance examination enrollment system reform, that is implemented in higher vocational colleges “Enrollment ” is the enrollment enrollment model. This enrollment model brings the biggest problem is recruited students overall quality is not high. In the actual teaching process, we found that the majority of students do not understand and feel “very abstract” and “difficult to understand.” Therefore, combined with the status of registered admissions students boldly put forward in higher vocational statistics textbooks should be removed to reconcile the average number of curriculum reform and exploration. In the meantime, according to the understanding of the harmonic mean, it is considered that the harmonic mean is a special form of the arithmetic mean and does not exist independently. Therefore, it is imperative to delete the harmonic mean from the higher vocational statistics textbooks.