Sample design efficiency study
Subtitle: optimal two-stage sample design
Contributors: Research Triangle Institute
Series: DHEW publication ; no. (NCES) 77-257; Sponsored report series; DHEW publication -- no. (NCES) 77-257
Publisher: Dept. of Health, Education, and Welfare, Education Division, National Center for Education Statistics : for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1977
Place of publication: Washington
Language: eng
Number of pages: 33
Subjects: Educational surveys; Sampling (Statistics); High school graduates -- United States -- Statistics
Other titles: National longitudinal study of the high school class of 1972; Sample design efficiency study: optimal two-stage sample
Notes: At head of title: National longitudinal study of the high school class of 1972

Prepared by Research Triangle Institute under contract no. OEC-0-73-6666

Bibliography: p. 23