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Four Efficient Ways to Improve Your Speech Use More Facial Expression One psychologist feels that our facial expression is responsible more than anything else for the impression others have of us. In
by Jason Marshall Sometimes statistics* seems magical. Of course, there isnt really anything magical going onbut the fact that statistical methods can be used to pull useful information out of a hatful of messy data is, at a minimum, remarkable. And,
今天我们要学的词是efficient。 Efficient, 效率高的。最近研究发现, Efficient people don't strive to get everything done perfectly; they only focus on the most important projects, 高效律的人并不把每一件事都做到完美无
left-skewed 左偏 negative-skewed 负偏 right-skewed 右偏 positive-skewed 正偏 contingency table 列联表 sampling distribution (of a statistic)(某个统计量的) 抽样分布point estimate 点估计值 point estimator 点估计式 unbiased