Statistical methods for determining the size of direct mail tests

Statistical methods for determining the size of direct mail tests

Bibliographic Details
Main Authors: Brown, Theodore H (Theodore Henry), 1888-, Brown, Theodore H., 1888-1973
Format: Book
Language:English
Published: [Cambridge, Mass.] : Harvard University Press, [1939], [©1939]
[Cambridge, Mass.] Harvard University Press [c1939]
Subjects:
Mail-order business

Internet

Harvard University

Holdings details from Harvard University
Call Number: GB2.236.2

Columbia University

Holdings details from Columbia University
Call Number: 253.3 B81

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