20. Because of high tuition costs at state and private universities, enrollments at community colleges have increased dramatically in recent years. The following data show
20. Because of high tuition costs at state and private universities, enrollments at community colleges have increased dramatically in recent years. The following data show the enroll- ment (in thousands) for Jefferson Community College for the nine most recent years. Enrollment ([0005) 6.5 8.1 8.4 10.2 12.5 13.3 13.7 17.2 18.1 S \\unumuhunu a. Construct a time series plot. What type of pattern exists in the data? I). Use simple linear regression analysis to nd the parameters for the line that minimizes MSE for this time series. c. What is the forecast for Year 10
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