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In: Statistics and Probability

Quarter Enrollments in Business Statistics course at a major university are given in the EXCEL worksheet...

Quarter Enrollments in Business Statistics course at a major university are given in the EXCEL worksheet Enrollment:

  1. Develop an additive model for trend and seasonality. Please clearly define your variables.

b. Use the additive model to forecast for the enrollments for Fall 2013, Winter 2014, and Spring 2014.

Quarter Enrollment
2009 Fall 705
2010 Winter 734
Spring 661
Fall 760
2011 Winter 780
Spring 700
Fall 863
2012 Winter 860
Spring 750
Fall 880
2013 Winter 900
Spring 780

Please show step by step instructions using excel:

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