Below is given distribution of profit (in Rs.) per day of a shop in a certain town.
Calculate median profit of shops.
Profit (in Rs.) | 500 - 1000 | 1000 - 1500 | 1500 - 2000 | 2000 - 2500 | 2500 - 3000 | 3000 - 3500 | 3500 - 4000 |
No. of shops | 8 | 18 | 27 | 21 | 20 | 18 | 8 |
ci | fi | cf |
500-1000 | 8 | 8 |
1000-1500 | 18 | 8+18=26 |
1500-2000 | 27 | 26+27=53 |
2000-2500 | 21 | 53+21=74 |
2500-3000 | 20 | 74+20=94 |
3000-3500 | 18 | 94+18=112 |
3500-4000 | 8 | 112+8=120 |