Question

It is not always possible to measure every individual in a population; what is the name of the representative group?

a. a body of individuals
b. the organization
c. statistics
d. sampling unit

Answer 1

The representative group when measuring a population is known as a 'sampling unit,' which is part of a sample. A 'random sample' gives each population member an equal chance of being selected, ensuring a representative subset.

Step-by-step explanation:

It is not always possible to measure every individual in a population; the name of the representative group is a sampling unit, which is part of a larger concept, a sample. In the context of statistics, a sample refers to a subset of the population studied. When researchers want to gather information about a population, they use a sample to represent it. This is done because it's often too expensive or virtually impossible to measure everyone in the population. A random sample is one method among several random sampling methods designed to provide a representative sample, meaning the chosen individuals have the same characteristics as the entire population, ensuring that each individual has an equal chance of being selected.

Answer 2

d. sampling unit

Step-by-step explanation:

Sampling unit:

Refers to the unit or group of elements that are selected from an original population during an investigation. The sampling unit might be composed of a statistical unit or a group of statistical units.

The statistical unit or element is the elemental unit that composes the target population.

The sampling unit is a basic concept to keep present during the development of the investigation project. It is the minimal unit of observation that will be used to take information about the variables of interest. All the sample unit composes the population and is defined by an N, while only some representative sample units compose the sample, and are represented with an n.

So, the whole population can not be measured because of its size, or the individuals´ characteristics, among other many factors. So we need to take a random and representative sample or group of the population to proceed with our investigation. This sample or group is composed of some of the original population individuals, which are defined as "sample units".