The following data are the monthly salaries y and the grade point averages x for students who obtained a bachelor's degree in business administration with a major in information systems. The estimated regression equation for these data is ý = 1790.5 + 581.1x. GPA Monthly Salary ($) 2.6 3.4 3.6 3.2 3.5 3300 3600 4000 3500 3900 3600 2.9 a. Compute SST, SSR, and SSE. b. Compute the coefficient of determination r. Comment on the goodness of fit. c. What is the value of the sample correlation coefficient?
The following data are the monthly salaries y and the grade point averages x for students who obtained a bachelor's degree in business administration with a major in information systems. The estimated regression equation for these data is ý = 1790.5 + 581.1x. GPA Monthly Salary ($) 2.6 3.4 3.6 3.2 3.5 3300 3600 4000 3500 3900 3600 2.9 a. Compute SST, SSR, and SSE. b. Compute the coefficient of determination r. Comment on the goodness of fit. c. What is the value of the sample correlation coefficient?
Chapter3: Polynomial Functions
Section: Chapter Questions
Problem 18T
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