Calculate quartile deviation from the data given below.
X | 20-30 | 30-40 | 40-50 | 50-60 | 60-70 |
F | 4 | 6 | 8 | 6 | 4 |
Calculate quartile deviation from the data given below.
X | 20-30 | 30-40 | 40-50 | 50-60 | 60-70 |
F | 4 | 6 | 8 | 6 | 4 |