Cyclical variation - numerical question
Honeydew Ice Creams
Ice cream sales are seasonal, but Honeydew Ice Creams have tried to break this trend by introducing new frozen desserts and specialty products from 2010 to widen their product range. Details of their sales over the last four years are shown below.
Q1 | Q2 | Q3 | Q4 | |
---|---|---|---|---|
2008 | 3000 | 6500 | 3000 | 1500 |
2009 | 3500 | 7000 | 3500 | 1500 |
2010 | 3800 | 7400 | 3800 | 1600 |
2011 | 4500 | 8100 | 4600 | 2400 |
To what extent is there evidence that their marketing policy has been successful?