Final answer:
The distribution of persons by income group and highest level of educational attainment can be analyzed using data from reliable sources like the U.S. Department of Commerce: United States Census Bureau. This falls under the subject of Social Studies.
Step-by-step explanation:
The question is asking about the distribution of persons by income group and highest level of educational attainment. This topic falls under the subject of Social Studies as it involves analyzing data related to income and education.
To answer this question, you can refer to reliable sources like the U.S. Department of Commerce: United States Census Bureau and their Income tables, such as Table H-13. These tables provide information on the educational attainment of householders by their income levels. By examining this data, you would be able to determine how many individuals fall into each income group based on their highest level of education.
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