Year Quarter Revenue                   2005 Qtr1 5,206   In row-column format                 Qtr2 6,310   Quarter 2005 2006 2007 2008 2009 2010     Qtr3 6,037   Qtr1 5,206 5,226 6,103 7,379 7,169 7,525     Qtr4 5,551   Qtr2 6,310 6,476 7,733 9,046 8,267 8,674   2006 Qtr1 5,226   Qtr3 6,037 6,454 7,690 8,393 8,044 8,426     Qtr2 6,476   Qtr4 5,551 5,932 7,331 7,126 7,510 10,494     Qtr3 6,454                     Qtr4 5,932                   2007 Qtr1 6,103                     Qtr2 7,733                     Qtr3 7,690                     Qtr4 7,331                   2008 Qtr1 7,379                     Qtr2 9,046                     Qtr3 8,393                     Qtr4 7,126                   2009 Qtr1 7,169                     Qtr2 8,267                     Qtr3 8,044                     Qtr4 7,510                   2010 Qtr1 7,525                     Qtr2 8,674                     Qtr3 8,426                     Qtr4 10,494                                         (a-1) Use MegaStat or Minitab to deseasonalize Coca-Cola’s quarterly data. (Round your answers to 3 decimal places.)    1 2 3 4 2005         2006         2007         2008         2009         2010         mean            (a-2) State the adjusted four quarterly indexes. (Round your answers to 3 decimal places.)  Q1 Q2 Q3 Q4            (a-3) What is the trend model for the deseasonalized time series? (Round your answers to 2 decimal places.) yt =  xt +  (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 =  +  t +  Q1 +  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

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.1: Equations
Problem 58E
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  Year Quarter Revenue                
  2005 Qtr1 5,206   In row-column format            
    Qtr2 6,310   Quarter 2005 2006 2007 2008 2009 2010
    Qtr3 6,037   Qtr1 5,206 5,226 6,103 7,379 7,169 7,525
    Qtr4 5,551   Qtr2 6,310 6,476 7,733 9,046 8,267 8,674
  2006 Qtr1 5,226   Qtr3 6,037 6,454 7,690 8,393 8,044 8,426
    Qtr2 6,476   Qtr4 5,551 5,932 7,331 7,126 7,510 10,494
    Qtr3 6,454                
    Qtr4 5,932                
  2007 Qtr1 6,103                
    Qtr2 7,733                
    Qtr3 7,690                
    Qtr4 7,331                
  2008 Qtr1 7,379                
    Qtr2 9,046                
    Qtr3 8,393                
    Qtr4 7,126                
  2009 Qtr1 7,169                
    Qtr2 8,267                
    Qtr3 8,044                
    Qtr4 7,510                
  2010 Qtr1 7,525                
    Qtr2 8,674                
    Qtr3 8,426                
    Qtr4 10,494                
                       

(a-1) Use MegaStat or Minitab to deseasonalize Coca-Cola’s quarterly data. (Round your answers to 3 decimal places.)
 

  1 2 3 4
2005        
2006        
2007        
2008        
2009        
2010        
mean        
 

 
(a-2) State the adjusted four quarterly indexes. (Round your answers to 3 decimal places.)
 

Q1 Q2 Q3 Q4
       
 

 
(a-3) What is the trend model for the deseasonalized time series? (Round your answers to 2 decimal places.)
 
yt =  xt + 
 
(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 =  +  t +  Q1 +  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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ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage