A Sample Is Defined as

A sample is defined as

A) a subgroup of the population that is similar to other members of the population once standardized procedures are performed
B) a subgroup of the population that is comprised of continuous and categorical variables that are representative of the population as a whole
C) a subgroup of the population that is likely to be representative of the population as a whole
D) a subgroup of the population whose internal validity qualifies them as representative of a narrow subset of the population