In many practical situations, we are interested in statistics characterizing a population of objects: e.g. in the mean height of people from a certain area. Most algorithms for estimating such statistics assume that the sample values are exact. In practice, sample values come fr…
by International commission on mathematical instruction, International Association for Statistical Education, Joint ICMI/IASE Study Conference, Instituto Tecnológico y de Estudios Superiores de Monterrey), Batanero, Carmen, Burrill, Gail, (Gail F.)
Ranking issues are found everywhere. For example, bank houses, universities, towns, watersheds etc. are ranked. But also assessment of students in one discipline is a ranking. This last example is trivial, because we have only one criterion, namely the quality of the student in …
This brief offers a broad, yet concise, coverage of portfolio choice, containing both application-oriented and academic results, along with abundant pointers to the literature for further study. It cuts through many strands of the subject, presenting not only the classical resul…
In 2006, Paul W. Holland retired from Educational Testing Service (ETS) after a career spanning five decades. In 2008, ETS sponsored a conference, Looking Back, honoring his contributions to applied and theoretical psychometrics and statistics. Looking Back attracted a large aud…
Introduces R, a free software system for data analysis and graphics with over 4,000 add-on packages. Demonstrates which of the add-on packages are most like SAS and SPSS and compares them to R's built-in functions.
