Assurance test and its equivalent truncated sequential test

Sigui Hu and Honglei Wang

Communications in Statistics - Theory and Methods, 2020, vol. 49, issue 11, 2623-2633

Abstract: In order to save more test cost, assurance test and its equivalent truncated sequential test are studied. In a commonly used case, the operating characteristic (OC) function and expected test time (ETT) function of an assurance test are derived in a concise way. Equivalent test and relative concepts are defined. The procedures to construct a near equivalent truncated sequential test of an assurance test are established. Computation studies show that the near equivalent truncated sequential tests proposed in this paper keep almost the same OC curves with the assurance tests respectively. However, they can save the ETTs dramatically. In fact, the results show that the near equivalent truncated sequential tests can save around 50% of ETTs than the assurance tests respectively.

Date: 2020
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DOI: 10.1080/03610926.2019.1576897

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