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Journal of Agribusiness >
Volume 20, Number 1, Spring 2002 >
Please use this identifier to cite or link to this item:
http://purl.umn.edu/14652
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| Title: | THE EFFECT OF ROUNDING ON THE PROBABILITY DISTRIBUTION OF REGRADING IN THE U.S. PEANUT INDUSTRY |
| Authors: | Diaz, Edgar F. Pebe
Brorsen, B. Wade
Anderson, Kim B.
Richter, Francisca G.-C.
Kenkel, Philip L. |
| Keywords: | grading
normal-jump distribution
peanuts
regrading
rounding |
| Issue Date: | 2002 |
| Abstract: | This article determines the effect of rounding (pointing-off) of grade percentages to the nearest whole number on the probability distribution of regrading in the peanut industry. Results show that rounding causes graders to have to regrade an extra 4% of samples even when they follow all directions and make no mistakes. When rounding was not used, the sample weight had little effect on the probability of regrading. With rounding, the probability of regrading was reduced by beginning with a larger than 500-gram sample. Thus, rounding provides an incentive to take overweight samples in order to avoid regrading. Overweight samples can overestimate the value of peanuts. A low-cost way to improve peanut grading accuracy would be to round to tenths rather than whole numbers. |
| URI: | http://purl.umn.edu/14652 |
| Institution/Association: | Journal of Agribusiness>Volume 20, Number 1, Spring 2002 |
| Total Pages: | 14 |
| Language: | English |
| From Page: | 103 |
| To Page: | 116 |
| Collections: | Volume 20, Number 1, Spring 2002
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| 20010103.pdf | 253Kb | PDF | View/Open |
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