Approximate the mean for following GFDT.
mean =
Report answer accurate to one decimal place.
| Data | Frequency |
|---|---|
| 50 - 54 | 11 |
| 55 - 59 | 22 |
| 60 - 64 | 13 |
| 65 - 69 | 7 |
| 55 - 59 | 8 |
| 75 - 79 | 7 |
| 80 - 84 | 4 |
| 85 - 89 | 1 |
| 90 - 94 | 1 |
mean =
Report answer accurate to one decimal place.