Confidence interval

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The Confidence interval is a "range of values for a variable of interest, e.g., a rate, constructed so that this range has a specified probability of including the true value of the variable."[1]

In large samples, calculations for the confidence interval for rates and proportions may be based on the normal distribution.[2][3]

For small samples, calculations should be made using the binomial distribution or the Poisson distribution.

References

  1. Anonymous (2024), Confidence interval (English). Medical Subject Headings. U.S. National Library of Medicine.
  2. Fleiss, Joseph L. (1973). Statistical methods for rates and proportions. New York: Wiley, 13. ISBN 0-471-26370-2. 
  3. Cochran, William Cox; Snedecor, George W. (1980). Statistical methods. Ames: Iowa State University Press, 118. ISBN 0-8138-1560-6. 

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