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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, Eighth Grade

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

The following table presents student-weighted aggregations and response rates for eligible eighth-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 offer an estimate of the total population of students in the grade within each jurisdiction.

Student-weighted public school counts and response rates, grade 8 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	3,440,000	569,000	2,870,000	83.4
Northeast	665,000	133,000	532,000	80.0
Southeast	836,000	36,900	799,000	95.6
Central	804,000	155,000	649,000	80.8
West	1,130,000	245,000	888,000	78.4
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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