You must show your work (computations) in this document in order to earn credit for this assignment.
Barbi Dahl, chief prognosticator for OBM (Obsolete Business Machines) Inc., wants to forecast next year's demand for manual typewriters based on the following historical data:
YEAR
|
DEMAND (x1000)
|
2013
|
90
|
2014
|
60
|
2015
|
40
|
2016
|
30
|
What is Barbi's forecast for 2017 using a linear trend equation?