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Sample sizes and target populations by district

 Grade 4
Grade 8
Student sample sizes and target populations for Trial Urban District Assessment in mathematics at grade 8, by urban district: 2007
District Sample
Atlanta 900 3,000
Austin 1,500 5,000
Boston 1,200 4,000
Charlotte 1,400 9,000
Chicago 1,800 25,000
Cleveland 1,200 4,000
District of Columbia 2,000 5,000
Houston 2,000 13,000
Los Angeles 2,100 53,000
New York City 2,000 70,000
San Diego 1,400 9,000
NOTE: The sample size is rounded to the nearest hundred. The target population is rounded to the nearest thousand.
SOURCE: U.S. Department of Education, Institute of Education Sciences, Natoinal Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2007 Trial Urban District Mathematics Assessment.

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