陈同学2018-06-20 16:58:25
confidence intervals for a random variable that follows a t-distribution must be wider (narrower) when the degrees of freedom are less (more) for a given significance level. 随着自由度的增加,置信区间应该是变窄吧?
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Evian, CFA2020-03-09 10:36:29
同学您好,
感谢您的提问和反馈~金程教育竭诚为您服务
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