Series Content LESSON 1 算術平均數 | Arithmetic Mean LESSON 2 中位數 | Median LESSON 3 眾數與眾數組 | Mode and Modal Class LESSON 4 各類平均值的特性 | Characteristics of Different Types of Averages LESSON 5 數據轉變對平均值的影響 | How Data Change Affects Averages LESSON 6 加權平均數 | Weighted Mean
