plural of ghost population

plural of population pyramid

Average population per unit area; especially, the average number of people who live on each square kilometer (or square mile) of land.

(statistics) The mean (usually arithmetic, but possibly geometric) of all members of a population or all possible values from which a sample can be taken, as opposed to a sample mean.

plural of population inversion

plural of population mean

The general public. / The main body of inmates in a prison, excluding those being detained in solitary confinement, protective custody, a medical wing or on death row.

plural of general population