The effect of a single point on correlation and slope

Farnsworth, David L.

doi:https://doi.org/10.1155/S0161171290001107

International Journal of Mathematics and Mathematical Sciences

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Volume 13 | Article ID 716195 | https://doi.org/10.1155/S0161171290001107

The effect of a single point on correlation and slope

David L. Farnsworth¹

Received08 Dec 1989

Revised27 Apr 1990

Abstract

By augmenting a bivariate data set with one point, the correlation coefficient and/or the slope of the regression line can be changed to any prescribed values. For the target value of the correlation coefficient or the slope, the coordinates of the new point are found as a function of certain statistics of the original data. The location of this new point with respect to the original data is investigated.

Copyright

Copyright © 1990 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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