Задача Статистика № 9

Task 4.
The following data are available on the expenditures of citizens in January of the reference year:
Type of settlement Number of households surveyed Average per capita expenditure, monetary units, per month Dispersion of expenditures

City 36 120 324
Village 64 50 196

Task 4.
The following data are available on the expenditures of citizens in January of the reference year:
Type of settlement Number of households surveyed Average per capita expenditure, monetary units, per month Dispersion of expenditures