NormalCI[μ,σ]
gives a confidence interval based on a normal distribution.


NormalCI
NormalCI[μ,σ]
gives a confidence interval based on a normal distribution.
Details and Options
- To use NormalCI, you first need to load the Hypothesis Testing Package using Needs["HypothesisTesting`"].
- NormalCI[μ,σ] gives a confidence interval {min,max} centered at μ based on a normal distribution with location parameter μ and scale parameter σ.
- NormalCI is the confidence interval for a population mean based on a sample mean μ and standard error σ if the true population variance is known.
- The following option can be given:
-
ConfidenceLevel 0.95 probability associated with a confidence interval
Tech Notes
Related Guides
Text
Wolfram Research (2007), NormalCI, Wolfram Language function, https://reference.wolfram.com/language/HypothesisTesting/ref/NormalCI.html.
CMS
Wolfram Language. 2007. "NormalCI." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/HypothesisTesting/ref/NormalCI.html.
APA
Wolfram Language. (2007). NormalCI. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/HypothesisTesting/ref/NormalCI.html
BibTeX
@misc{reference.wolfram_2025_normalci, author="Wolfram Research", title="{NormalCI}", year="2007", howpublished="\url{https://reference.wolfram.com/language/HypothesisTesting/ref/NormalCI.html}", note=[Accessed: 13-August-2025]}
BibLaTeX
@online{reference.wolfram_2025_normalci, organization={Wolfram Research}, title={NormalCI}, year={2007}, url={https://reference.wolfram.com/language/HypothesisTesting/ref/NormalCI.html}, note=[Accessed: 13-August-2025]}