a1) Use MegaStat or Minitab to deseasonalize CocaCola's quarterly data. (Round your answers to 3 decimal...
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a1) Use MegaStat or Minitab to deseasonalize CocaCola's quarterly data. (Round your answers to 3 decimal places.) 1 3 2005 1.045 0.957 2006 0.890 1.084 1.053 0.927 2007 0.910 1.099 1.043 0.952 2008 0.928 1.129 1.054 0.909 2009 2010 1.032 mean CocaCola Revenues ($ millions), 20052010 Quarter Qtr1 Qtr2 Qtr3 Qtr4 2005 2006 2007 2008 2009 2010 5,206 5,226 6,103 7,379 7,169 7,525 6,310 6,476 7,733 9,046 8,267 6,037 6,454 7,690 8,393 8,044 5,551 5,932 7,331 7,126 7,510 10,494 8,674 8,426 Click here for the Excel Data File (a2) State the adjusted four quarterly indexes. (Round your answers to 3 decimal places.) Q1 Q2 Q3 Q4 (a3) What is the trend model for the deseasonalized time series? (Round your answers to 2 decimal places.) Yt= 154.07 Xt+ 5334.2 (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.) Yt= Q2 + 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 Q3 Q4 a1) Use MegaStat or Minitab to deseasonalize CocaCola's quarterly data. (Round your answers to 3 decimal places.) 1 3 2005 1.045 0.957 2006 0.890 1.084 1.053 0.927 2007 0.910 1.099 1.043 0.952 2008 0.928 1.129 1.054 0.909 2009 2010 1.032 mean CocaCola Revenues ($ millions), 20052010 Quarter Qtr1 Qtr2 Qtr3 Qtr4 2005 2006 2007 2008 2009 2010 5,206 5,226 6,103 7,379 7,169 7,525 6,310 6,476 7,733 9,046 8,267 6,037 6,454 7,690 8,393 8,044 5,551 5,932 7,331 7,126 7,510 10,494 8,674 8,426 Click here for the Excel Data File (a2) State the adjusted four quarterly indexes. (Round your answers to 3 decimal places.) Q1 Q2 Q3 Q4 (a3) What is the trend model for the deseasonalized time series? (Round your answers to 2 decimal places.) Yt= 154.07 Xt+ 5334.2 (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.) Yt= Q2 + 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 Q3 Q4
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Related Book For
Applied Statistics in Business and Economics
ISBN: 9780073521480
4th edition
Authors: David Doane, Lori Seward
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