別誤用平均數,您真的了解「平均數」嗎!?
先問大家一個問題,「一輛汽車行駛一段路程,前半段時速60公里,後半段時速30公里(兩段距離相同),請問其平均速率為?」
These were the top 10 stories published by Marketingdatascience in August of 2021. You can also dive into daily archives for August of 2021 by using the calendar at the top of this page.