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Spline Bottles

  • Wright State University
  • Youngstown State University

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

The relationship between the volume of a liquid in a bottle as a function of the height of the liquid is used to illustrate polynomial regression and the fitting of spline models. A polynomial regression exercise is provided where students attempt to determine the shape of a bottle using only the height and volume data from the bottle. The height and volume data for bottles are easy to obtain and provide an interesting data-collecting activity for introducing spline models in a regression course. © 2000 Taylor & Francis Group, LLC.
Original languageEnglish
Pages (from-to)129-135
Number of pages7
JournalAmerican Statistician
Volume54
Issue number2
DOIs
StatePublished - Jan 1 2000

Keywords

  • Cubic splines
  • Leave-one-out residuals
  • PRESS statistic
  • Partial t statistics
  • Polynomial spline models

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