A population just means the set of individuals, items, or data from which a statistical sample is taken. It could be anything. All Americans, the students at a University, etc. The random sample would be the randomly selected "test" group of students, citizens, items, or data from said population.
Radom County's population is 145,232.
Roman Catholic Diocese of Radom's population is 935,500.
Radom Governorate was created in 1844.
Radomiak Radom was created in 1910.
Broń Radom was created in 1926.
Radom Confederation was created in 1767.
Leo Radom was born in 1944.
The area of Radom County is 1,529.75 square kilometers.
Battle of Radom happened on 1939-09-09.
Radom railway station was created in 1885.
Radom National Park was created in 1980.
Roman Catholic Diocese of Radom was created in 1992.