Quarterly Sales Revenue (In $Million) for a Particular Company Has

question 44

Essay

Quarterly sales revenue (in $million) for a particular company has been modelled using linear regression with indicator variables:
Y = 132 + 2Q1 + 3Q2 - 5Q4 + 2t
Where t is time in quarters, with origin March 2006 and Q1, Q2 and Q4 are the indicator variables for March, June and December quarters, respectively.
Describe the trend and seasonal effects.

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