Table 1: Growth in real disposable household income by income decile in the Republic of San Seriffe, 2008 to 2024
| Income Decile | Real Disposable Income Growth (%) |
|---|---|
| 1st Decile (Lowest income) | 8.5% |
| 2nd Decile | 10.0% |
| 3rd Decile | 11.5% |
| 4th Decile | 13.0% |
| 5th Decile | 15.5% |
| 6th Decile | 18.5% |
| 7th Decile | 22.0% |
| 8th Decile | 27.0% |
| 9th Decile | 34.0% |
| 10th Decile (Highest income) | 45.0% |
Using the data in Extract C (Table 1), calculate the difference between the mean and median rate of growth in real disposable household income across the ten deciles over the period 2008 to 2024.