Given the following time series data: Time Period (t) Timer ...

[joesmith1212]

Given the following time series data:
 
  Time Period (t) Timer Series Value (Y t)
  1 18
  2 22
 
  and using smoothing constants of alpha = 0.3, the exponential smoothing forecast for time period 3 is
  A) 18
  B) 19.2
  C) 20
  D) 40

Question 2

The Wilson Company is interested in forecasting demand for its XG-667 product for quarter 13 based on 12 quarters of data.
 
  The following shows the data and the double exponential smoothing model results for periods 1-12 using alpha = 0.20 and beta = 0.40.
 
  Quarter Demand C T Forecast
  Time t
  1 800 781.6 33.8
  2 890 830.4 39.8 815.4
  3 790 854.1 33.4 870.2
  4 900 890.0 34.4 887.5
  5 880 915.5 30.8 924.4
  6 960 949.1 31.9 946.4
  7 900 964.8 25.4 981.0
  8 920 976.2 19.8 990.3
  9 1040 1004.8 23.3 996.0
  10 1090 1040.5 28.3 1028.2
  11 1200 1095.1 38.8 1068.8
  12 1140 1135.1 39.3 1133.8
 
  Based on this information, which of the following is the forecast for period 13?
  A) About 1,345
  B) Just under 1,300
  C) Approximately 1,174
  D) Nearly 1,225

[Joy Chen]

Answer to Question 1

B

Answer to Question 2

C