Two–step sequential sampling

J. J. A. Moors and Leo Strijbosch ()

Statistica Neerlandica, 2002, vol. 56, issue 3, 270-284

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.

Date: 2002
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https://doi.org/10.1111/1467-9574.05000

Related works:
Working Paper: Two-Step Sequential Sampling (2000)
Working Paper: Two-Step Sequential Sampling (2000)
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