Heterogeneity and Selection in Population Analysis

  • Nathan Keyfitz
Part of the Springer Texts in Statistics book series (STS)


Heterogeneity in the underlying population places difficulties in the way of interpretation of all statistical data based on averages. No two persons are equally likely to die in the next year; no two marriages are equally likely to be broken up by divorce; no two businesses are equally likely to fail; no two automobiles are equally likely to break down. That on the average a given make of automobile will travel 50,000 miles without major repairs offers little assurance for any particular automobile. Averages can be applied to individual cases only at great risk. This gross aspect of heterogeneity is not the subject of the present chapter.


Life Table Selection Effect Population Analysis Crude Death Rate Individual Probability 
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Copyright information

© Springer Science+Business Media New York 1985

Authors and Affiliations

  • Nathan Keyfitz
    • 1
  1. 1.IIASALaxenburgAustria

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