The Confidence Interval
DOI:
https://doi.org/10.33393/gcnd.2013.1070Keywords:
Confidence interval, Mean, Proportion, Sample, PopulationAbstract
The paper presents a very simple introduction to the concept of confidence interval for both a proportion and a mean. The confidence interval is useful when analyzing data that refer to a sample extracted from a target population. The confidence interval defines the upper and lower values of the interval of the variable we are studying; in other words, it defines the interval that one should expect, with a predefined level of confidence, to contain the true value of the proportion or the mean value of the population. (Epidemiology_statistics)
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Authors contributing to Giornale di Clinica Nefrologica e Dialisi (GCND) agree to publish their articles under the CC-BY-NC 4.0 license, which allows third parties to re-use the work without permission as long as the work is properly referenced and the use is non-commercial.