One of the biggest challenges in the higher education sector has been the recent growth of online universities. The Online Education Database is an independent organisation whose mission is to build a comprehensive list of accredited online colleges. contains data on the retention rate (%) and the graduation rate (%) for 29 online colleges in the United States.
College RR(%) GR(%) Western International University 7 25 South University 51 25 University of Phoenix 4 28 American InterContinental University 29 32 Franklin University 33 33 Devry University 47 33 Tiffin University 63 34 Post University 45 36 Peirce College 60 36 Everest University 62 36 Upper Iowa University 67 36 Dickinson State University 65 37 Western Governors University 78 37 Kaplan University 75 38 Salem International University 54 39 Ashford University 45 41 ITT Technical Institute 38 44 Berkeley College 51 45 Grand Canyon University 69 46 Nova Southeastern University 60 47 Westwood College 37 48 Everglades University 63 50 Liberty University 73 51 LeTourneau University 78 52 Rasmussen College 48 53 Keiser University 95 55 Herzing College 68 56 National University 100 57 Florida National College 100 61
Conduct a simple linear regression analysis to examine the association between the retention rate (the independent variable) and the graduation rate (the dependent variable). Using the Excel data file, prepare a 1200 word repot using the following structure.
In this section, the purpose of the report need to be clearly and concisely stated.
In this section, write an overview of the association between retention and graduation. Why would economists be interested in this particular issue?
In this section, provide a brief overview of the data and empirical approach used to examine the association between retention and graduation.
Provide a descriptive analysis of the two variables (e.g., mean standard deviation, minimum and maximum).
Develop a scatter diagram with retention rate as the independent variable. What does the scatter diagram indicate about the relationship between the two variables?
Estimate a regression equation that can be used to predict the graduation rate (%) given the retention rate (%)
State the estimated regression equation and interpret the meaning of the slope coefficient
Is there a statistically significant association between graduation rate (%) and retention rate (%). Explain
Did the regression equation provide a good fit? Explain
Suppose you were the president of South University. After reviewing the results, would you have any concerns about the performance of your university compared to other online universities?
Suppose you were the president of the University of Phoenix. After reviewing the results, would you have any concerns about the performance of your university compared to other online universities?
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