The mean game scores and standard deviations of four seasons of a football team are given below. Season Mean Standard Deviation
2005 19 3.5 2006 21 2.8 2007 12 1.0 2008 9 4.0 Which statement must be true? The game scores of season 2006 have a greater spread than the game scores of season 2008.
The game scores of season 2007 have a greater spread than the game scores of season 2005.
The game scores of season 2006 have a greater spread than the game scores of season 2005.
The game scores of season 2005 have a greater spread than the game scores of season 2006.
