Quarterbacks. Table II.2 gives the total passing yards for National Football League starting quarterbacks during the 2007 season. (These are the quarterbacks with the most passing attempts on each team.) Make a histogram of these data. Does the distribution have a clear shape: roughly symmetric, 364 Part II Review TABLE II.2 Passing yards for NFL quarterbacks in 2007 Quarterback Yards Quarterback Yards Derek Anderson 3787 Tarvaris Jackson 1911 Kyle Boller 1743 Jon Kitna 4068 Tom Brady 4806 Cleo Lemon 1773 Drew Brees 4423 Eli Manning 3336 Mark Bulger 2392 Peyton Manning 4040 Jason Campbell 2700 Josh McCown 1151 Jay Cutler 3497 Donovan McNabb 3324 Trent Dilfer 1166 Carson Palmer 4131 Trent Edwards 1630 Chad Pennington 1765 Brett Favre 4155 Philip Rivers 3152 Jeff Garcia 2440 Ben Roethlisberger 3154 David Garrard 2509 Tony Romo 4211 Brian Griese 1803 Matt Schaub 2241 Joey Harrington 2215 Vinny Testaverde 952 Matt Hasselbeck 3966 Kurt Warner 3417 Damon Huard 2257 Vince Young 2546 Source: www.nfl.com.

clearly skewed to the left, clearly skewed to the right, or none of these? Which quarterbacks (if any) are outliers?