Population: The whole group about whom you wish to make conclusions is referred to as a population. The term "population" does not always mean "people." It can refer to a collection of items from whatever you're studying, such as things, events, organizations, nations, species, creatures, and so on. It contains all of the data set's constituents as well as measurable population characteristics like mean and standard deviation. There are different types of population. ? Finite Population ? Infinite Population