摘要：Useful linkes: https://www.rampfesthudson.com/does-law-of-large-numbers-imply-central-limit-theorem/ https://en.wikipedia.org/wiki/Central_limit_theor 阅读全文

摘要：If we use sample mean: \(\frac{\sum_i{\left( X_i-\bar{X} \right)}^2}{n}\), then we should use sample variance:\(\frac{\sum_i{\left( X_i-\bar{X} \right 阅读全文

摘要：Refer links 阅读全文