PA 15-4 A police station had to deploy a police officer.. A police station had t
ID: 3360437 • Letter: P
Question
PA 15-4 A police station had to deploy a police officer.. A police station had to deploy a police officer for an emergency multiple times in the last four evenings The table below shows the number of emergencies each evening (Round your answers to 3 decimal places ) Forecast for tomorrow (calls) Weekday Number of calls each day Monday Tuesday Wednesday Thursday 6 12 Complete the orecast for tomorrow column in the table above Use an exponential smoothing forecasting approach, with a 0.1 and a forecast for Monday of f9 (Round your answer to 3 decimal places) h What would be their forecast for Friday using the same exponential b. smoothing forecasting approach?Explanation / Answer
(a)
Weekday
Number of calls each day
Forecast for tomorrow (calls) (At)
Forecasting ( = 0.1)
Ft = Yt-1 + (1 – )(Yt-1 - Ft-1)
2
Tuesday
2
0.1(6)+(1-0.1)(9)=8.7
3
Wednesday
11
0.1(2)+(1-0.1)(8.7)=8.03
4
Thursday
12
0.1(11)+(1-0.1)(8.03)=8.327
5
Friday
0.1(12)+(1-0.1)(8.327)=8.694
(b) Forecast for Friday = 8.694
Weekday
Number of calls each day
Forecast for tomorrow (calls) (At)
Forecasting ( = 0.1)
Ft = Yt-1 + (1 – )(Yt-1 - Ft-1)
1 Monday 6 9.02
Tuesday
2
0.1(6)+(1-0.1)(9)=8.7
3
Wednesday
11
0.1(2)+(1-0.1)(8.7)=8.03
4
Thursday
12
0.1(11)+(1-0.1)(8.03)=8.327
5
Friday
0.1(12)+(1-0.1)(8.327)=8.694
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