2017-10-16 描述统计学笔记（Udacity）

how would you measure memory?

1. maybe can ask some question like what's food you eat yesterday,2 days ago, 5 days ago, 10days ago...
2. give you a article,test how much time you take to keep in mind the whole article
3. give you 1 hours, test how many words that you keep in mind

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