ACC 300 Assignment 2

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1. Problem 3-8
Air travel on Mountain Airlines for the past 18 weeks was:
Wee
k
Passenger
s
Week Passengers
1 405 10 440
2 410 11 446
3 420 12 451
4 415 13 455

2. 5 412 14 464
6 420 15 466
7 424 16 474
8 433 17 476
9 438 18 482
b. ​Use an appropriate technique to develop a forecast for the expected number of passengers for
the next three weeks. ​(Round your intermediate calculations to 4 decimal places and final
answers to 2 decimal places.)
2. ​Problem 3-10
After plotting demand for four periods, an emergency room manager has concluded that a
trend-adjusted exponential smoothing model is appropriate to predict future demand. The initial
estimate of trend is based on the net change of 30 for the ​three periods from 1 to 4, for an
average of +10 units.

3. Perio
d
Actual Period Actual
1 217 6 262
2 225 7 264
3 230 8 281
4 247 9 293
5 260 10
Use α=.5 and β=.1, and TAF of 250 for period 5. Obtain forecasts for periods 6 through 10.
(Round your intermediate calculations and final answers to 2 decimal places.)
3. ​Problem 3-11

4. A manager of a store that sells and installs spas wants to prepare a forecast for January,
February, and March of next year. Her forecasts are a combination of trend and
seasonality. She uses the following equation to estimate the trend component of monthly
demand: ​Ft = 70 + 5​t, where ​t= 0 in June of last year. Seasonal relatives are 1.10 for
January, 1.02 for February, and .95 for March. What demands should she predict? (Round
your answers to 2 decimal places.)
4. ​Problem 3-15
The manager of a fashionable restaurant open Wednesday through Saturday says that the
restaurant does about 25 percent of its business on Friday night, 34 percent on Saturday
night, and 20 percent on Thursday night. What seasonal relatives would describe this
situation?(Round your answers to 2 decimal places.)