Circulation (millions) for Sunday newspapers versus morning and evening daily papers for 1999€“2007 are shown here. The data are also in file XR17044. With Sunday circulation as the dependent variable, generate the correlation matrix for the independent variables and comment on the possible presence of multicollinearity.

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Sunday 59.9 59.4 59.1 58.8 58.5 57.8 55.3 53.2 51.2 Daily Morning 46.0 46.8 46.8 46.6 46.9 46.9 46.1 45.4 44.5 Daily Evening 10.0 9.0 8.8 8.6 8.3 7.7 7.2 6.9 6.2 Year 1999 2000 2001 2002 2003 2004 2005 2006 2007