| 单词 | Central Limit Theorem |
| 释义 | Central Limit Theorem
Then, as n increases, the distribution of Zn converges in distribution to the standard normal distribution with mean 0 and variance 1. It implies that for a large sample the sample mean has approximately the normal distribution with mean μ and variance σ2/n.
http://onlinestatbook.com/stat_sim/sampling_dist/index.html • An applet that lets you define the population and then take multiple samples of different sizes to explore the behaviour of the Central Limit Theorem. |
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