Answer: Stratified random sampling
Explanation:
In stratified random sampling the population of choice is partitioned into subgroups. Then the samples for study are selected randomly from the subgroups.
The given situation is the example of stratified random sampling this is because of the fact that the population is divided into subgroups on the basis of the social class and age. Then the voters were randomly selected from each subgroup.
Answer: B. Two or more individuals who share a set of norms, values or belief and have a certain implicitly or explicitly defined relationships to one another such that their behavior is interdependent.
Explanation: A group is simply composed of more than one person, and as such members of a group have something in common, it could be a behavior, attitude, like or anything which is common to all members of the group. A group usually possess a relationship pattern which may be lucid or very obvious and sometimes may not be known to others people outside their group that is they exhibit a a sort of positive correlation and as such members of the group exhibit a mutual dependence on one another.
I would assume that this is a multiple choices question, thus the answer would be letter the first statement after the claim. "because human behavior may be patterned, but it is also spontaneous". Creating a central dogma in sociology would be like creating a central dogma of explaining humanity. As there are always the spontaneous nature of humanity, making prediction out of patterned behavior could be flawed. <span />