Using trilinear plots for NAEP state data
By: Howard Wainer
Contributors: Educational Testing Service
Series: Program statistics research technical report -- no. 94-6; RR -- 94-59; Research report (Educational Testing Service) -- RR-94-59
Publisher: Educational Testing Service
Published: 1994
Place of publication: Princeton, N.J
Language: eng
Number of pages: 15
Subjects: Mathematical ability; Evaluation; Statistics; Educational tests and measurements; National Assessment of Educational Progress (Project)
Notes: "November 11, 1994."

Includes bibliographical references (p. 7).