CONFIDENCE INTERVAL FOR THE STANDARD DEVIATION OF A NORMAL DISTRIBUTION.
DOI:
https://doi.org/10.55640/Keywords:
standard deviation, point estimate, confidence level, confidence interval, normal distribution, interval estimate, population parameter.Abstract
To construct a confidence interval for a single unknown population mean, μ, where the population standard deviation is known, we need x¯ as an estimate for μ, and we need the margin of error. Here, the margin of error is called the error bound for a population mean (EBM). The sample mean, x¯, is the point estimate of the unknown population mean, μ.
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References
1 Casella, G., & Berger, R. L. (2002). Statistical Inference.
2. Montgomery, D. C. & Runger, G.C. (2014). Applied statistics and Probability for Engineers.
3. Walpole, R. E., et al. (2012). Probability and Statistics for Engineers and Scientists.
4. Mood, A. M., Graybill, F.A., &Boes, D. C.1974. Introduction to the Theory of Statistics( 3rded) Cengage learning.
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