How do medieval love songs compare to modern one?

Which term refers to a group or community that forms the focal point of a study and consists of all the people considered for evaluation in the research? a. sample b. population c. variable d. mean

You're doing research for a public essay on alternative medicine. which of the following sources has the most reliable information? a. a post on a social networking site about the undesired side-effects of different alternative medicinesb. a recent government report comparing the results of alternative and contemporary medicine for a specified diseasec. an anonymous article on a medical website that claims the success of alternative medicined. a 2003 study conducted by a medical research center about the effects of alternative medicine

The health care system in is referred to as a singleminus−payer health care system, and is a system in which the government provides national health insurance to all residents.