The Holy Smokes Corporation sells altar candles world-wide. Quarterly sales data for the past 5 years are shown on the Q1-4 Time Series tab. Use the Seasonal Index technique shown as Forecasting Methods spreadsheet to answer the following: Predicted Predicted Annual Period Sales ($mil) $5.00 Year Quarter Period Annual Sales Seasonal Quarter AE MPE MAD МАРЕ 2008 1 1 2008 1 2 $3.00 2008 1 3 3 $2.00 2008 1 4 4 $7.00 2009 2 1 $6.00 2009 6. $4.00 2009 2 3 7 $4.00 2009 4 8. $14.00 2010 1. 9 $10.00 2010 10 $3.00 2010 11 $5.00 2010 4 12 $16.00 $12.00 $9.00 2011 4 1 13 2011 2. 14 2011 4 15 $7.00 2011 4 16 $22.00 2012 5 1. 17 $18.00 2012 5 2 18 $10.00

Practical Management Science
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Chapter2: Introduction To Spreadsheet Modeling
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Compile quarterly regression estimates and estimate the accuracy of forecast model as measured by the AE, MPE, MAD, MAPE, and annual sales R Squared

The Holy Smokes Corporation sells altar candles world-wide. Quarterly sales data for the past 5 years are shown
on the Q1-4 Time Series tab. Use the Seasonal Index technique shown as Forecasting Methods spreadsheet to
answer the following:
Predicted
Predicted
Year
Annual Period
Quarter
Period
Sales ($mil)
Annual Sales
Seasonal
Quarter
AE
MPE
MAD
МАРЕ
$5.00
$3.00
$2.00
$7.00
$6.00
$4.00
$4.00
$14.00
$10.00
$3.00
$5.00
$16.00
$12.00
$9.00
$7.00
$22.00
$18.00
$10.00
$13.00
$35.00
2008
1
1
1
2008
1
2
2
2008
1
3
3
2008
1
4
4
2009
1
2009
2
2
2009
2
7
2009
2
4
8
2010
3
1
2010
2
10
2010
3
3
11
2010
3
4
12
2011
4
1
13
2011
4
14
2011
4
15
2011
4
4
16
2012
1
17
2012
5
2
18
2012
3
19
2012
4
20
Transcribed Image Text:The Holy Smokes Corporation sells altar candles world-wide. Quarterly sales data for the past 5 years are shown on the Q1-4 Time Series tab. Use the Seasonal Index technique shown as Forecasting Methods spreadsheet to answer the following: Predicted Predicted Year Annual Period Quarter Period Sales ($mil) Annual Sales Seasonal Quarter AE MPE MAD МАРЕ $5.00 $3.00 $2.00 $7.00 $6.00 $4.00 $4.00 $14.00 $10.00 $3.00 $5.00 $16.00 $12.00 $9.00 $7.00 $22.00 $18.00 $10.00 $13.00 $35.00 2008 1 1 1 2008 1 2 2 2008 1 3 3 2008 1 4 4 2009 1 2009 2 2 2009 2 7 2009 2 4 8 2010 3 1 2010 2 10 2010 3 3 11 2010 3 4 12 2011 4 1 13 2011 4 14 2011 4 15 2011 4 4 16 2012 1 17 2012 5 2 18 2012 3 19 2012 4 20
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