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 enrollment for a certain community college for the nine most recent years.. Year Period (t) Enrollment (1,000) 2001 2002 2003 2004 2005 2006 2007 2036 2009 1 2 3 4 5 6 7 18 9 6.7 8.3 8.2 10.4 12.3 13.1 13.5 17.0 17/9 (a) Construct a time series plot. What type of pattern exists in the data? O The time series plot shows a seasonal pattern. The time series plot shows a nonlinear trend. O The time series plot shows a horizontal pattern. O The time series plot shows a linear trend. (b) Use simple linear regression analysis to find the parameters for the line that minimizes HSE for this time series. (Round your answers to two decimal places) Do- ( What is the forecast for year 10 ( 1,000s)? (Round your answer to one decimal place) thousand students

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