Author Information

Linda J. Young
Jerry H. Young

Is the first presenter a student?

No

Type of Submission

Paper/Presentation

Abstract

Exact and Wald's approximations for the operating characteristic and average sample number functions are compared for a sequential probability ratio (SPRT) test commonly used in cotton integrated pest management (IPM) programs in southwestern Oklahoma. The 95th percentile of the sample size is also given. For the same set of hypotheses and stated error probabilities, the exact operating characteristic and average sample number functions and the 95th percentile of sample size are compared for the SPRT and 2-SPRT.

Keywords

SPRT, 2-SPRT, negative binomial distribution

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Apr 30th, 1:00 PM

THE 2-SPRT AS AN ALTERNATIVE TO WALD'S SPRT WHEN TESTING HYPOTHESES CONCERNING INSECT POPULATIONS

Exact and Wald's approximations for the operating characteristic and average sample number functions are compared for a sequential probability ratio (SPRT) test commonly used in cotton integrated pest management (IPM) programs in southwestern Oklahoma. The 95th percentile of the sample size is also given. For the same set of hypotheses and stated error probabilities, the exact operating characteristic and average sample number functions and the 95th percentile of sample size are compared for the SPRT and 2-SPRT.