n Colorado, sales of medical marijuana began in November 2012; however, the Department of Revenue did not report tax collection data until February of 2014. The accompanying data file includes monthly revenue from medical and retail marijuana tax and fee collections as posted in the Colorado state accounting system. Use the linear trend model (no seasonality) to forecast the tax revenue for November and December of 2018. Date    Revenue  February/14     3,519,756  March/14     4,092,575  April/14     4,980,992  May/14     5,273,355  June/14     5,715,707  July/14     6,522,085  August/14     7,407,450

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In Colorado, sales of medical marijuana began in November 2012; however, the Department of Revenue did not report tax collection data until February of 2014. The accompanying data file includes monthly revenue from medical and retail marijuana tax and fee collections as posted in the Colorado state accounting system. Use the linear trend model (no seasonality) to forecast the tax revenue for November and December of 2018.

Date    Revenue 
February/14     3,519,756 
March/14     4,092,575 
April/14     4,980,992 
May/14     5,273,355 
June/14     5,715,707 
July/14     6,522,085 
August/14     7,407,450 
September/14     7,741,167 
October/14     7,232,870 
November/14     7,642,800 
December/14     7,465,568 
January/15     8,558,141 
February/15     8,802,295 
March/15     9,099,395 
April/15     9,979,643 
May/15     10,617,311 
June/15     11,326,452 
July/15     10,856,584 
August/15     12,811,437 
September/15     13,181,758 
October/15     11,656,736 
November/15     11,290,012 
December/15     12,231,410 
January/16     13,247,434 
February/16     12,466,617 
March/16     14,195,923 
April/16     13,097,298 
May/16     17,183,162 
June/16     14,482,648 
July/16     16,823,849 
August/16     17,574,149 
September/16     19,145,992 
October/16     19,266,922 
November/16     18,425,864 
December/16     17,694,953 
January/17     18,164,787 
February/17     17,723,858 
March/17     17,550,692 
April/17     22,867,587 
May/17     18,563,939 
June/17     19,662,464 
July/17     20,437,751 
August/17     23,775,043 
September/17     23,235,507 
October/17     23,098,408 
November/17     21,076,993 
December/17     21,211,445 
January/18     21,681,438 
February/18     21,134,864 
March/18     20,871,820 
April/18     22,947,141 
May/18     22,367,707 
June/18     21,928,692 
July/18     22,963,778 
August/18     23,044,818 
September/18     23,770,397 
October/18     22,589,679 

for November and December of 2018.
Click here for the Excel Data File
a-1. Estimate the linear trend model.
Note: Negative values for regression coefficients should be indicated by a minus sign. Round final answers to 2 decimal places.
X Answer is complete but not entirely correct.
Predictor Variable
Constant
Month
Coefficient
4,471,822.70 X
369,670.56 x
a-2. Use the estimated model to forecast the number of inquiries for November and December of 2018.
Note: Round coefficient estimates to at least 4 decimal places and final answers to 2 decimal places.
X Answer is complete but not entirely correct.
Month
November
December
Forecast
25,912,715.44
25,912,715.44 x
Transcribed Image Text:for November and December of 2018. Click here for the Excel Data File a-1. Estimate the linear trend model. Note: Negative values for regression coefficients should be indicated by a minus sign. Round final answers to 2 decimal places. X Answer is complete but not entirely correct. Predictor Variable Constant Month Coefficient 4,471,822.70 X 369,670.56 x a-2. Use the estimated model to forecast the number of inquiries for November and December of 2018. Note: Round coefficient estimates to at least 4 decimal places and final answers to 2 decimal places. X Answer is complete but not entirely correct. Month November December Forecast 25,912,715.44 25,912,715.44 x
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