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(a-1) Use MegaStat or Minitab to deseasonalize Coca-Cola's quarterly data. (Round your answers to 3 decimal places.) 2005 2006 2007 2008 2009 2010 mean 1 2 3 4 Coca-Cola Revenues ($ millions), 2005-2010 Quarter 2005 2006 2007 2008 2009 Qtr1 Qtr2 2010 5,206 5,226 6,103 7,379 7,169 7,525 6,310 6,476 7,733 9,046 8,674 6,037 6,454 7,690 8,393 8,044 8,426 7,331 7,126 7,510 10,494 8,267 Qtr3 Qtr4 5,551 5,932 (a-2) State the adjusted four quarterly indexes. (Round your answers to 3 decimal places.) Q1 Q4 Yt= Q2 (a-3) What is the trend model for the deseasonalized time series? (Round your answers to 2 decimal places.) Xt+ Q3 (a-3) What is the trend model for the deseasonalized time series? (Round your answers to 2 decimal places.) Yt= |xq+ (b) State the model found when performing a regression using seasonal binaries. (A negative value should be indicated by a minus sign. Round your answers to 4 decimal places.) Q+ (c) Use the regression equation to make a prediction for each quarter in 2011. (Enter your answers in millions rounded to 3 decimal places.) Quarter Q1 Q2 Q3 Q4 t+ Predicted Q2 Q3 (a-3) What is the trend model for the deseasonalized time series? (Round your answers to 2 decimal places.) Yt= Xq+ (b) State the model found when performing a regression using seasonal binaries. (A negative value should be indicated by a minus sign. Round your answers to 4 decimal places.) Q+1 2+ Quarter Q1 Q2 Q3 Q4 Q2 (c) Use the regression equation to make a prediction for each quarter in 2011. (Enter your answers in millions rounded to 3 decimal places.) Predicted Q3