Question: 1 5 6 7 WEEK 1 2 3 4 CALLS 50 35 25 40 WEEX 13 14 15 16 CALLS 55 35 25 55 45

1 5 6 7 WEEK 1 2 3 4 CALLS 50 35 25 40 WEEX 13 14 15 16 CALLS 55 35 25 55 45 35 20 17 18 19 55 40 35 8 9 10 11 12 30 35 20 15 40 20 21 22 23 24 60 75 50 40 65 Q3. Using the 911 call data in Question 2, forecast calls for weeks 2 through 25 with a trend-adjusted exponential smoothing model. Assume an initial forecast for 50 calls for week 1 and an initial trend of zero. Use smoothing constants of a = -3 and B = 2. Is this model better than that of Question 2? What adjustment might be useful for further improvement? (Again, assume that actual calls in week 25 were 85.)

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