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Illustrations of the Use of a Truncated Sequential t-Test

Summary: In situations where the cost of sampling is high, sequential procedures may be used to reduce this cost. However, many of these procedures have a number of undesirable drawbacks, such as the possibility that an extremely large sample size may be needed before a decision is reached.This paper illustrates the use of a sequential t-test which is truncated and has other desirable features. Several examples, along with tables of the critical values and comparisons with other types of t-tests are provided.

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  • Topics: Sampling
  • Keywords: Sequential methods,Statistical tests,Sample size
  • Author: Suich, Ronald C.; Iglewicz, Boris
  • Journal: Journal of Quality Technology