HypothesisTesting`
HypothesisTesting`
ChiSquareCI
ChiSquareCI[var,df]
gives a confidence interval based on a 
distribution with df degrees of freedom.
更多信息和选项
- To use ChiSquareCI, you first need to load the Hypothesis Testing Package using Needs["HypothesisTesting`"].
- ChiSquareCI[var,df] gives a confidence interval {min,max} for a population variance estimated by var.
- For confidence level
, 
and 
where 
is the 
quantile of a 
distribution with 
degrees of freedom. - ChiSquareCI is the confidence interval for a population variance based on a sample variance var estimated from a sample of size df+1.
- The following option can be given:
-
ConfidenceLevel 0.95 probability associated with a confidence interval
范例
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Wolfram Research (2007)，ChiSquareCI，Wolfram 语言函数，https://reference.wolfram.com/language/HypothesisTesting/ref/ChiSquareCI.html.
文本
Wolfram Research (2007)，ChiSquareCI，Wolfram 语言函数，https://reference.wolfram.com/language/HypothesisTesting/ref/ChiSquareCI.html.
CMS
Wolfram 语言. 2007. "ChiSquareCI." Wolfram 语言与系统参考资料中心. Wolfram Research. https://reference.wolfram.com/language/HypothesisTesting/ref/ChiSquareCI.html.
APA
Wolfram 语言. (2007). ChiSquareCI. Wolfram 语言与系统参考资料中心. 追溯自 https://reference.wolfram.com/language/HypothesisTesting/ref/ChiSquareCI.html 年