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Two–step sequential sampling

Author

Listed:
  • J. J. A. Moors
  • L. W. G. Strijbosch

Abstract

Choosing the sample size in advance is a familiar problem: often, additional observations appear to be desirable. The final sample size then becomes a random variable, which has rather serious consequences. Two such sample extension situations will be considered here. In the first situation, the observed sample variance determines whether or not to double the original sample size. In the second situation, the variances observed in two independent samples are compared; their ratio determines the number of additional observations.

Suggested Citation

  • J. J. A. Moors & L. W. G. Strijbosch, 2002. "Two–step sequential sampling," Statistica Neerlandica, Netherlands Society for Statistics and Operations Research, vol. 56(3), pages 270-284, August.
    • Handle: RePEc:bla:stanee:v:56:y:2002:i:3:p:270-284
    DOI: 10.1111/1467-9574.05000
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    JEL classification:

    • C13 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Estimation: General
    • C15 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Statistical Simulation Methods: General
    • M41 - Business Administration and Business Economics; Marketing; Accounting; Personnel Economics - - Accounting - - - Accounting

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