Characteristics of Public School Districts in the United States:
NCES 2009-320
June 2009

Table B-2.    Comparisons between frame distribution and base-weighted and final-weighted respondent distributions for public school districts with an indication of potential sources of bias: 2007–08
Potential source of bias Base-weighted respondent distribution Final-weighted respondent distribution
New York, enrollment (2,500-5,000 students)  x x
Arizona, locale (rural)    x
State (Nebraska)    x
NOTE: x denotes comparisons that are a potential source of bias.
SOURCE: U.S. Department of Education, National Center for Education Statistics, Schools and Staffing Survey (SASS), "Public School District Data File," 2007–08.