A method of determining economical sample size for sample surveys

Manylion Llyfryddiaeth
Prif Awdur:	Beltran, Diosdado G. 1929-
Fformat:	Traethawd Ymchwil
Iaith:	English
Cyhoeddwyd:	1963.
Pynciau:	Sampling (Statistics). Statistics > Graphic methods.

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