The method names and their sequence were derived by a combination of backward chaining and consulting an undergraduate statistics textbook that provided step-by-step instructions for computing intermediate values.

• 方法名及其序列是通过结合逆向链接和参考大学本科学生使用的统计学教科书推导得出的,该教科书一步一步地说明了如何计算中间值。