Profit ( in ₹) | : | 0-10 | 10-20 | 20-30 | 30-40 | 40-50 | 50-60 |
No of shops | : | 12 | 18 | 27 | 20 | 17 | 16 |
Profit (in Rs) |
Mid Value (m) |
No. of Shops Frequency (f) |
fm |
0 − 10 10 − 20 20 − 30 30 − 40 40 − 50 50 − 60 |
5 15 25 35 45 55 |
12 18 27 20 17 16 |
60 270 675 700 765 880 |
Σf = 110 | Σfm = 3350 |