So it\'s sample or population ? So it\'s sample or population ? Solution In the Experement setup, Under the intrested study regarding we dinfe the population units and sample units. here i give the general defination of the population and sample unit as follow; population : A population is any entire collection of people, animals, plants or things from which we may collect data. It is the entire group we are interested in, which we wish to describe or draw conclusions about. Sample: A unit is a person, animal, plant or thing which is actually studied by a researcher; the basic objects upon which the study or experiment is carried out. For example, a person; a monkey; a sample of soil; a pot of seedlings; a postcode area; a doctor\'s practice. in generally samples are drawn from the popultaion units, that samples units reprsents tha whole population. In the infrance we are working on the sample and conclude on the basis of the sample information we draw the population information..