Below are the top 20 U.S. football teams in the seventh and eighth weeks of the 2003 season, along with the points awarded to each team by the ESPN/USA Today coaches poll. Research question: At α = .01, based on these data, does the true rank correlation differ from zero for these two ratings?

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Football Ratings in ESPN/USA Today Coaches Poll (n 20) Team This Week Last WeekTeam This Week Last Week Oklahoma Southern Cal Florida State LSU Virginia Tedh Miami Ohio State Michigan Georgia lowa 1575 1502 1412 1337 1281 1263 1208 1135 951 932 1622 1470 1320 1241 1026 1563 226 938 378 762 Texas TCU Wash State Purdue Michigan State Nebraska Tennessee Minnesota Floridà Bowling Green 881 875 827 667 645 558 544 490 480 369 605 727 1260 487 1041 924 449 149 577