There are actually only fourteen states with teams left in the NCAA Tournament. The Sweet Sixteen for 2010 are from the following states
Iowa - Northern Iowa
Michigan - Michigan State
Tennessee - Tennessee
Ohio State - Ohio
Syracuse - New York
Butler - Indiana
Kansas St. - Kansas
Xavier University - Ohio
Kentucky - Kentucky
Cornell - New York
Washington - Washington
West Virginia - West Virginia
Duke - North Carolina
Purdue - Indiana
Baylor - Texas
St. Marys - California
The lowest seed to make it to the Sweet 16 in the NCAA basketball tournament this year was a 15th seed.
Carrollton, KY is actually the geographic center of of the Sweet 16 teams in the NCAA tournament.
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The #1 seeds are 108-0 against #16 seeds in the NCAA tournament.
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East Tennessee State was last in the NCAA men's basketball tournament in 2010. They were a #16 seed.
16 seeded Harvard defeated 1 seed Stanford in the 1998 women's NCAA tournament. That is the only victory by a 16 seed in either the men's or women's tournament.
In the 2013 NCAA men's basketball tournament, three states were represented by five teams each:California, North Carolina and Pennsylvania. Of these 15 teams, only LaSallefrom Pennsylvania and Duke from North Carolina made it to the Sweet 16.In contrast, the state of Florida had three teams in the Sweet 16: the University of Florida, the University of Miami and Florida Gulf Coast University.
Marquette was the #16 seed in the NCAA Men's basketball tournament in 1977. They advanced and won the championship. They were also the only team to ever beat all 4 #1 seeds during the ncaa tournament.
As of now, there are 65 teams in the tournament. Two teams (generally considered to be the worst in the tournament) play an "opening round" game. The winner gets the fourth 16 seed in the first round of the tournament.
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Boston college