question archive The values for Swiss building contracts (in millions of euros) for a 12-month period are as follows: 140 250 130 160 180 220 120 210 140 210 140 130 (i) Compare a three-month moving-average forecast with an exponential smoothing forecast
The values for Swiss building contracts (in millions of euros) for a 12-month period are as follows: 140 250 130 160 180 220 120 210 140 210 140 130 (i) Compare a three-month moving-average forecast with an exponential smoothing forecast
Subject:BusinessPrice: Bought3
The values for Swiss building contracts (in millions of euros) for
a 12-month period are as follows: 140 250 130 160 180 220 120 210 140 210 140 130 (i) Compare a three-month moving-average forecast with an exponential smoothing forecast. Use alpha = 0.3. Which provides the better forecasts?
(ii) What is the forecast for the next month?
(b) Consider the following time series. t 1 2 3 4 5 Yt 105 102 95 90 91 Develop an equation for the linear trend component for this time series.
What is the forecast for t = 6?
