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The manager of a travel agency has been using a seasonally adjusted forecast to predict demand for packaged tours. The actual and predicted values are as follows:

Period   Demand Predicted
1 139         112        
2 194         200        
3 165         150        
4 91         100        
5 90         80        
6 132         145        
7 126         128        
8 134         124        
9 95         101        
10 149         150        
11 100         94        
12 85       76        
13 123         140        
14 134         128        

a. Compute MAD for the fifth period, then update it period by period using exponential smoothing with a = .1. (Round your intermediate calculations and final answers to 3 decimal places.)

t
Period
A
Demand
    MADt
1 139       
2 194       
3 165       
4 91       
5 90          
6 132          
7 126          
8 134          
9 95          
10 149          
11 100          
12 85          
13 123          
14 134          

b. Compute a tracking signal for periods 5 through 14 using the initial and updated MADs. (Negative values should be indicated by a minus sign. Round your intermediate calculations and final answers to 3 decimal places.)

t
Period
A
Demand
Tracking
Signal
1 139       
2 194       
3 165       
4 91       
5 90          
6 132          
7 126          
8 134          
9 95          
10 149          
11 100          
12 85          
13 123          
14 134          

Operation Management, Management Studies

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  • Reference No.:- M92685598

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