NotesFAQContact Us
Collection
Advanced
Search Tips
50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

Learn more about the history of ERIC here. PDF icon

Back to results
Peer reviewed Peer reviewed
ERIC Number: EJ108403
Record Type: CIJE
Publication Date: 1974
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
Problems of Symmetry
Pettibone, Timothy J.; Diamond, James J.
Educational and Psychological Measurement, 34, 3, 585-9, F 74
A longstanding belief has been that a distribution can be assumed symmetric if the mean and median are coincidental. Coincidence of mean and median is a necessary but not sufficient condition for symmetry. Two counter examples proving this point are provided. Plotting of the data and third moment computation are recommended alternatives. (Author/RC)
Descriptors: Hypothesis Testing, Statistical Analysis, Symmetry
Publication Type: N/A
Education Level: N/A
Audience: N/A
Language: N/A
Sponsor: N/A
Authoring Institution: N/A
Identifiers: Distributions (Statistics)