Question 9,

Coca-cola Revenues ($ millions), 2005-2010 Quarter 2005 2006 2087 2008 2089 2010 Qtri 5,190 5,100 6,050 7,330 7,100 7,500 Qtr2 6,294 6,440 7,680 9,020 8,200 8,649 Qtr3 6,021 6,390 7,637 8,290 8,090 8, 401 Qtr4 5,535 5,880 7,278 7,090 7,450 10,469 (a-1) Use MegaStat or Minitab to deseasonalize Coca-Cola's quarterly data. (Round your answers to 3 decimal places.) 2 2005 2006 2007 2008 2809 2010 mean (-2) State the adjusted four quarterly indexes. (Round your answers to 3 decimal places.) Q1 Q2 Q3 (8-3) What is the trend model for the deseasonalized time series? (Round your answers to 2 decimal places.) (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.) Q3 (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 Predicted Q1 Q2 03 04