Answer:
1. Percent of school-age children in the U.S. who were homeschooled students in 2003 ⇒ 2.2%.
2. Percent of full time homeschooled students. ⇒ 82%.
3. Percent of homeschooled students also in school less than 9 hours ⇒ 12%.
4. Percent of homeschooled students were also in school 9-25 hours ⇒ 6%
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5. Percent of homeschooled students from white families vs. other ethnicities ⇒ 77%.
6. Percent of homeschooled students from two-parent homes ⇒ 81%.
7. Percent of homeschooled students from two-parent homes with one parent working ⇒ 54%.
8. Percent of parents homeschooling because of school environment. ⇒ 85%
It's got to be C because none of the others relate to collaboration, but I'd say if you were unsure about this answer then the only other sensible one could be B, but I'd go with C.
Books, articles, or websites that have information on that topic
C. Being able to understand test questions.
