A variable that we purposefully change or manipulate is called the independent variable. The thing that changes in response is called the dependent variable. This creates a cause and effect relationship.
Medicare Eligibility Requirements. To be entitled to Medicare, you must be a U.S. citizen or a permanent legal resident, and answer yes to at least one (1) of the following questions:
One of the requirements to be eligible to receive and enjoy Medicare coverage is to have United States citizenship or to be a permanent resident of the United States. However, there is one circumstance in which you may be able to qualify for Medicare even if you are not a U.S. citizen or permanent resident.