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Article: On Measuring Average Speed in a Circulating System

TitleOn Measuring Average Speed in a Circulating System
Authors
Ching, WK
Issue Date2001
PublisherTaylor & Francis Ltd. The Journal's web site is located at http://www.tandf.co.uk/journals/titles/0020739X.asp
Citation
International Journal of Mathematical Education in Science and Technology, 2001, v. 32 n. 3, p. 446-449 How to Cite?
DOI: http://dx.doi.org/10.1080/00207390118768
AbstractThe paper considers measuring speeds of vehicles which move in a circular track. By using the Schwarz inequality, it is shown that the average speed of the vehicles is over-estimated when the vehicles are observed at a fixed point in the track. It is also illustrated that the relative error is the square of an important statistical quantity, the coefficient of variation of the distribution of vehicle speeds. The results are interesting and the techniques used are elementary mathematics and statistics.
Persistent Identifierhttp://hdl.handle.net/10722/75339
ISSN
0020-739X
2023 Impact Factor: 0.7
2023 SCImago Journal Rankings: 0.634

 

DC FieldValueLanguage
dc.contributor.authorChing, WKen_HK
dc.date.accessioned2010-09-06T07:10:11Z-
dc.date.available2010-09-06T07:10:11Z-
dc.date.issued2001en_HK
dc.identifier.citationInternational Journal of Mathematical Education in Science and Technology, 2001, v. 32 n. 3, p. 446-449en_HK
dc.identifier.issn0020-739Xen_HK
dc.identifier.urihttp://hdl.handle.net/10722/75339-
dc.description.abstractThe paper considers measuring speeds of vehicles which move in a circular track. By using the Schwarz inequality, it is shown that the average speed of the vehicles is over-estimated when the vehicles are observed at a fixed point in the track. It is also illustrated that the relative error is the square of an important statistical quantity, the coefficient of variation of the distribution of vehicle speeds. The results are interesting and the techniques used are elementary mathematics and statistics.-
dc.languageengen_HK
dc.publisherTaylor & Francis Ltd. The Journal's web site is located at http://www.tandf.co.uk/journals/titles/0020739X.aspen_HK
dc.relation.ispartofInternational Journal of Mathematical Education in Science and Technologyen_HK
dc.titleOn Measuring Average Speed in a Circulating Systemen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0020-739X&volume=32&spage=446&epage=449&date=2001&atitle=On+Measuring+Average+Speed+in+a+Circulating+Systemen_HK
dc.identifier.emailChing, WK: wching@hkucc.hku.hken_HK
dc.identifier.authorityChing, WK=rp00679en_HK
dc.identifier.doi10.1080/00207390118768-
dc.identifier.scopuseid_2-s2.0-85025323500-
dc.identifier.hkuros63214en_HK
dc.identifier.volume32-
dc.identifier.issue3-
dc.identifier.spage446-
dc.identifier.epage449-
dc.publisher.placeUnited Kingdom-
dc.identifier.issnl0020-739X-

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