Co-Authors:
Marcus, R., Agricultural Research Organization, Volcani Center, Israel
Abstract:
A truncated sequential sampling procedure is proposed for estimating the mean, µ, of a negative-binomial distribution. The sampling plan involves at most a specified number of samples (say M). The sampling procedure requires that samples be taken sequentially until a specified level of the coefficient of variation of the mean is reached. If the sampling is not terminated by the sequential sampling plan before M samples are taken, then an exact confidence interval or upper bound for µ is constructed, based on the fixed sample number M. As an illustration, the procedure is applied to estimate the infestation level of a field crop area by Heliothis zea. © 1985, Taylor & Francis Group, LLC. All rights reserved.
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