Sample
children
Variables
A relevant population occurs in statistics. This is the population that is being sampled.
if the snake population decreases (meaning there are less of them) the rabbit population will increases (meaning there are more of them) all do to the rabbits not being consumed by the snakes.
Barcelona with a population of 1,615,448 as of 2011. Madrid being the first with a population of 3,265,038 as of 2011.
Normally, Population pyramids can be used to find the number of economic dependents being supported in a particular population. Economic dependents are defined as those under 15 (children who are in full time education and therefore unable to work) and those over 65 (those who have the option of being retired).
Variables
The entire group being studied.
The answer will depend on the population which is being studied.
The properties of a subgroup would include the identity of the subgroup being the identity of the group and the inverse of an element of the subgroup would be the same in the group. The intersection of two subgroups would be a separate group in the system.
A sample is a group of subjects such as selected from a population. A population deals with all different kinds of subjects that are being studied.
Time, place, and species
Time, place, and species
Sampling
Volcano's are being studied wherever they are active and human civilization is near them. For example, the volcanos in Hawaii are being studied.
Electron Microscope
double-blind selection
what is the type of sample in which each member of the sample set or group has an equal chance of being chosen