Table shows district-wise data of number of teachers posted in schools of city.

Find the difference in average of female teachers of all 5 districts to the male teachers of North district ?

621

Total female teachers of all 5 districts = 2375 + 2650 + 1520 + 1085 + 850 = 8480

Average = \(\frac{8480}{5}\) = 1696

Male teachers in North district = 1075

Difference = 1696 - 1075 = 621