Medicine >> Health Systems

Medicare Enrollment on the Rise

by Ashlie Sewell

 

Submitted : Spring 2013


Medicare enrollment steadily increases each year, Medicare eligibility rates increase even faster each year. For this paper I focused on Medicare enrollment since statistics on Medicare eligibility are unreliable and inaccurate. I used Pearson’s correlation coefficient formula to determine if there is a correlation between the number of people who enroll in Medicare each year and time. I also used eligibility estimates to “project” what the Medicare enrollment rates may look like between 2012 and 2020. I discovered that there is no correlation between the two variables however; there is a significant change in enrollment rates as baby boomers begin to age into Medicare. A previously linear growth pattern has suddenly transformed into an exponential growth pattern. I concluded that this increased enrollment rate could be the result of many contributing factors but it is not a direct result of any correlation between enrollment rates and time due to the lack of correlation between individual data points.


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Advisors :
Arcadii Grinshpan, Mathematics and Statistics
William Wade, United Healthcare
Suggested By :
Ashlie Sewell
Medicare Enrollment on the Rise