7. A corporate researcher is conducting a study for a fast food franchise (one location). The company has four types of

[answerhappygod]

7. A corporate researcher is conducting a study for a fast food
franchise (one location). The company has four types of worker in
the restaurant. The researcher wants to randomly sample employees,
in proportion that each type represents in the restaurant, about
their working conditions. What type of sampling BEST fits this
process?
A) None of the Answers​​​B) Cluster Sampling
C) Multistage Sampling​​​D) Stratified Sampling
E) Systematic Sampling
8. A market researcher for a major national corporation is asked
to study the people who use the firm’s services. First, since the
firm has 330 branch offices nationwide, she groups the offices into
geographic areas (Northeast, Midwest, South and West). Second, she
picks 10 offices from each geographic area. Third, she splits the
consumers into three groups by age (Over 65, 25 to 65, Under 25)
for each branch. Finally, she chooses and surveys 20 consumers from
each group. What type of sampling BEST fits this process?
A) Stratified Sampling​​​​B) Cluster Sampling
C) Multistage Sampling​​​D)
Convenience Sampling
E) None of the Answers