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:
Minimum Age for Medicare Eligibility. Medicare â Social Security residents of the United States are eligible for free Medicare hospital insurance ( Part A). You are eligible at age 65 if: â¢ You receive or are eligible to receive â¦ Your Medicare Benefits â Medicare.gov covers, and how to get those benefits through Medicare Part A (Hospital â¦