Elementary statistics
By: Janet T. Spence, Benton J. Underwood et. al.
Contributors: Spence, Janet T.,
Edition: 2nd ed.
Series: The Century psychology series
Publisher: Appleton-Century-Crofts
Published: 1968
Place of publication: New York
Number of pages: 245
Subjects: Statistics
Notes: In the 1st ed. Underwood's name appears first on t. p.

Bibliographical footnotes.