Chapter

Graphical and Statistical Methods

William R. Nugent

in Analyzing Single System Design Data

Published in print November 2009 | ISBN: 9780195369625
Published online February 2010 | e-ISBN: 9780199865208 | DOI: https://dx.doi.org/10.1093/acprof:oso/9780195369625.003.0003

Series: PKT GD TO SOCIAL WORK RESEARCH METHODS

Graphical and Statistical Methods

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In this chapter a number of methods that make use of both graphical procedures and statistical methods are described and illustrated. Methods such as trend lines, median lines, and graphical representations of background variability are described and illustrated. Also described is a method especially designed for use by practitioners. Some of these methods make use of procedures adopted from statistical process control methodology. A recommended analysis procedure is described that makes use of both median-based and trend-line based methods for representing background variability.

Keywords: graphical analysis methods; median line analysis methods; trend line analysis methods; statistical process control methods

Chapter.  9557 words.  Illustrated.

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