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:
To enroll in Medicare coverage, qualifying individuals must apply for this insurance plan during the seven-month period that begins three months before the month they turn 65 and ends three months after the month they turn 65.