Question: The Appliance Centre sells a variety of electronic equipment and home appliances. For the last four years the following quarterly sales (in $ millions) were reported.
Quarter
|
Year
|
I
|
II
|
III
|
IV
|
|
2005
|
$5.30
|
$4.10
|
$6.80
|
$6.70
|
|
2006
|
4.8
|
3.8
|
5.6
|
6.8
|
|
2007
|
4.3
|
3.8
|
5.7
|
6
|
|
2008
|
5.6
|
4.6
|
6.4
|
5.9
|
Determine a typical seasonal index for each of the four quarters.