7

[|http://news.bbc.co.uk/2/hi/entertainment/8505562.stm]

[[http://www.huffingtonpost.com/2010/02/08/super-bowl-2010-ratings-m_n_453503.html?igoogle=1|http://www.huffingtonpost.com/2010/02/08/super-bowl-2010-ratings-m_n_453503.html?igoogle=1

]] http://bcs.whfreeman.com/ips4e/cat_010/applets/confidenceinterval.html[][]