The box plot shows the number of years during which 16 schools have participated in a marching band competition:

A box plot is titled Years of Participation and labeled Years. Number line from 0 to 10 with primary markings and labels at 0, 5, and 10. The box extends from 3 to 7 on the number line. There is a vertical line at 5. The whiskers end at 1 and 10.

At least how many schools have participated for 3 to 7 years?

3 schools
5 schools
7 schools
8 schools
















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