Education in States and Nations: 1991
*Figure represents the unweighted average of two cities, São Paoulo and Fortaleza
NOTE: Data for the states of Alaska, Illinois, Kansas, Montana, Nevada, Oregon, South Dakota, Vermont, and Washington are not available because they did not participate in the survey.
SOURCE: U.S. Department of Education, National Center for Education Statistics, Data Compendium for the NAEP 1992 Mathematics Assessment of the Nation and the States, Table 10.23. Educational Testing Service, International Assessment of Educational Progress, Learning Mathematics, Figure 3.4.