Student sample sizes and target populations in NAEP mathematics, by age: 2008
Age
Sample size
Target population
Age 9
8,900
3,829,000
Age 13
8,700
3,596,000
Age 17
9,900
3,608,000
NOTE: The sample size is rounded to the nearest hundred and the target population is rounded to the nearest thousand.
SOURCE: U.S. Department of Education, Institute of Education Sciences, National Center for Education Statistics, National Assessment of Educational Progress (NAEP), 2008 Long-Term Trend Mathematics Assessment.