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NAEP Sample Design → NAEP 2002 Sample Design → 2002 National Main Assessment Sample Design → School Participation in the 2002 National Main Assessment → Weighted Counts of NAEP 2002 Eligible Sample Public Schools by Response Status, Fourth Grade

NAEP Technical DocumentationWeighted Counts of NAEP 2002 Eligible Sample Public Schools by Response Status, Fourth Grade

The following table presents student-weighted aggregations and response rates for eligible fourth-grade public schools, for nonresponding and responding originally sampled schools. Weighted aggregations for each set of schools were calculated by dividing the frame enrollment by the school probability of selection. The student-weighted aggregations for the eligible schools for each jurisdiction is an estimate of the total population of students in the grade within each jurisdiction.

Student-weighted school counts and response rates for public schools, grade 4 national main assessment, by NAEP region: 2002

NAEP region	Eligible school sample weighted aggregation	Nonresponding originally sampled schools, weighted aggregation	Responding originally sampled schools, weighted aggregation	Weighted response rate (percent)
Total	3,627,000	561,000	3,065,000	84.5
Northeast	708,000	110,000	598,000	84.4
Southeast	884,000	31,000	853,000	96.5
Central	810,000	148,000	661,000	81.7
West	1,225,000	272,000	953,000	77.8
NOTE: Detail may not sum to totals because of rounding. SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2002.

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