In a U.S. national survey conducted in 2009, _____ percent of twelfth-graders reported that they had experienced sexual intercourse, compared with _____ percent of ninth-graders.

Question

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According to the 2009 national survey, 62% of twelfth-graders reported having experienced sexual intercourse, while 32% of ninth-graders reported the same.

In a US National Survey Conducted in 2009, _____ Percent of Twelfth-Graders