Chapter 6. Estimates and Confidence Limits

  1. Robert C. Elston1 and
  2. William D. Johnson2

Published Online: 31 OCT 2008

DOI: 10.1002/9780470740781.ch6

Basic Biostatistics for Geneticists and Epidemiologists: A Practical Approach

Basic Biostatistics for Geneticists and Epidemiologists: A Practical Approach

How to Cite

Elston, R. C. and Johnson, W. D. (2007) Estimates and Confidence Limits, in Basic Biostatistics for Geneticists and Epidemiologists: A Practical Approach, John Wiley & Sons, Ltd, Chichester, UK. doi: 10.1002/9780470740781.ch6

Author Information

  1. 1

    Department of Epidemiology and Biostatistics, Case Western Reserve University, USA

  2. 2

    Pennington Biomedical Research Center, Louisiana State University System, USA

Publication History

  1. Published Online: 31 OCT 2008
  2. Published Print: 24 OCT 2007

ISBN Information

Print ISBN: 9780470024898

Online ISBN: 9780470740781

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Keywords:

  • estimate, estimator;
  • standard error (of the mean);
  • unbiased, biased;
  • minimum variance unbiased estimator, efficient estimator, robust estimator;
  • maximum likelihood estimate;
  • normal range, confidence limits or confidence interval;
  • (Student's) t-distribution, degrees of freedom;
  • pooled variance

Summary

This chapter contains sections titled:

  • Estimates and Estimators

  • Notation for Population Parameters, Sample Estimates, and Sample

  • Estimators

  • Properties of Estimators

  • Maximum Likelihood

  • Estimating Intervals

  • Distribution of the Sample Mean

  • Confidence Limits

  • Summary

  • Problems