Calculate the seasonal indices from the following data using the average from the following data using the average method: - Sarthaks eConnect | Largest Online Education Community
![5.03 Seasonal adjustments and deseasonalising data | Year 12 Maths | WACE 12 Mathematical Applications - 2020 Edition | Mathspace 5.03 Seasonal adjustments and deseasonalising data | Year 12 Maths | WACE 12 Mathematical Applications - 2020 Edition | Mathspace](https://mathspace-production-media.mathspace.co/media/upload/images/001_Chapter_Entries/regression/seasonalindex1a.png)
5.03 Seasonal adjustments and deseasonalising data | Year 12 Maths | WACE 12 Mathematical Applications - 2020 Edition | Mathspace
![5.03 Seasonal adjustments and deseasonalising data | Year 12 Maths | WACE 12 Mathematical Applications - 2020 Edition | Mathspace 5.03 Seasonal adjustments and deseasonalising data | Year 12 Maths | WACE 12 Mathematical Applications - 2020 Edition | Mathspace](https://mathspace-production-media.mathspace.co/media/upload/images/001_Chapter_Entries/regression/seasonalindex1.png)
5.03 Seasonal adjustments and deseasonalising data | Year 12 Maths | WACE 12 Mathematical Applications - 2020 Edition | Mathspace
![Measurements of Trends: Methods of measuring Seasonal Variations By Simple Averages - Procedure, Example Solved Problem | Time Series Analysis Measurements of Trends: Methods of measuring Seasonal Variations By Simple Averages - Procedure, Example Solved Problem | Time Series Analysis](https://img.brainkart.com/imagebk40/I9D8z6A.jpg)