Coca-Cola Revenues ($ millions), 2005-2010 Quarter 2005 2006 2007 2008 2009 2010 Qtri Qtr2 Qtr3 Qtr4 5, 206 6,310 6,037 5,551 5,226 6,476 6,454 5,932 7,379 9,046 8, 393 7,126 7,525 8,674 8,426 7,169 6,103 7,733 7,690 7,331 8, 267 8,044 7,510 10,494 Click here for the Excel Data File (a-1) Use MegaStat or Minitab to deseasonalize Coca-Cola's quarterly data. (Round your answers to 3 decimal places.) 2005 1.045 0.957 2006 0.890 1.084 1.053 0.927 2007 e.910 1.099 1.043 e.952 2008 e.928 1.129 1.054 8.909 2009 0.932 1.074 1.032 0.952 2010 0.942 1.032 mean e.920 1.083 1.045 e.940 (a-2) State the adjusted four quarterly Indexes. (Round your answers to 3 decimal places.) Q1 Q2 Q3 Q4 0.923 1.887 1.848 e.942 (a-3) What is the trend model for the deseasonalized time series? (Round your answers to 2 decimal places.) Yt= 154.07 O xp+ 5334.20 (b) State the model found when performing a regression using seasonal binarles. (A negative value should be Indicated by a mlnus sign. Round your answers to 4 decimal places.) Yt= Q1+ Q2 + Q3 (c) Use the regression equation to make a prediction for each quarter in 2011. (Enter your answers In millons rounded to 3 decimal places.) Quarter Predicted Q1 Q2 Q3 Q4

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Coca-Cola Revenues ($ millions), 2005-2010
Quarter
2005
2006
2007
2008
2009
2010
Qtri
Qtr2
Qtr3
Qtr4
5, 206
6,310
6,037
5,551
5,226
6,476
6,454
5,932
7,379
9,046
8, 393
7,126
7,525
8,674
8,426
7,169
6,103
7,733
7,690
7,331
8, 267
8,044
7,510
10,494
Click here for the Excel Data File
(a-1) Use MegaStat or Minitab to deseasonalize Coca-Cola's quarterly data. (Round your answers to 3 decimal places.)
2005
1.045
0.957
2006
0.890
1.084
1.053
0.927
2007
e.910
1.099
1.043
e.952
2008
e.928
1.129
1.054
8.909
2009
0.932
1.074
1.032
0.952
2010
0.942
1.032
mean
e.920
1.083
1.045
e.940
(a-2) State the adjusted four quarterly Indexes. (Round your answers to 3 decimal places.)
Q1
Q2
Q3
Q4
0.923
1.887
1.848
e.942
(a-3) What is the trend model for the deseasonalized time series? (Round your answers to 2 decimal places.)
Yt= 154.07 O xp+ 5334.20
(b) State the model found when performing a regression using seasonal binarles. (A negative value should be Indicated by a mlnus
sign. Round your answers to 4 decimal places.)
Yt=
Q1+
Q2 +
Q3
(c) Use the regression equation to make a prediction for each quarter in 2011. (Enter your answers In millons rounded to 3 decimal
places.)
Quarter
Predicted
Q1
Q2
Q3
Q4
Transcribed Image Text:Coca-Cola Revenues ($ millions), 2005-2010 Quarter 2005 2006 2007 2008 2009 2010 Qtri Qtr2 Qtr3 Qtr4 5, 206 6,310 6,037 5,551 5,226 6,476 6,454 5,932 7,379 9,046 8, 393 7,126 7,525 8,674 8,426 7,169 6,103 7,733 7,690 7,331 8, 267 8,044 7,510 10,494 Click here for the Excel Data File (a-1) Use MegaStat or Minitab to deseasonalize Coca-Cola's quarterly data. (Round your answers to 3 decimal places.) 2005 1.045 0.957 2006 0.890 1.084 1.053 0.927 2007 e.910 1.099 1.043 e.952 2008 e.928 1.129 1.054 8.909 2009 0.932 1.074 1.032 0.952 2010 0.942 1.032 mean e.920 1.083 1.045 e.940 (a-2) State the adjusted four quarterly Indexes. (Round your answers to 3 decimal places.) Q1 Q2 Q3 Q4 0.923 1.887 1.848 e.942 (a-3) What is the trend model for the deseasonalized time series? (Round your answers to 2 decimal places.) Yt= 154.07 O xp+ 5334.20 (b) State the model found when performing a regression using seasonal binarles. (A negative value should be Indicated by a mlnus sign. Round your answers to 4 decimal places.) Yt= Q1+ Q2 + Q3 (c) Use the regression equation to make a prediction for each quarter in 2011. (Enter your answers In millons rounded to 3 decimal places.) Quarter Predicted Q1 Q2 Q3 Q4
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