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描述統計手冊 / 集中趨勢的度量 / 調和平均
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來自華夏公益教科書,一個開放世界的開放書本
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描述統計手冊
當資料以速度(例如千米/小時)、速率(例如千克/盧比)等形式給出時,通常最喜歡調和平均。調和平均被定義為給定序列中各項的倒數的倒數的算術平均。
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書籍:描述統計手冊
華夏公益教科書