Under which of the following conditions would you suggest that a ...

[skymedlock]

Under which of the following conditions would you suggest that a double exponential smoothing model should be used instead of a single exponential smoothing model?
 
  A) When the time-series data exhibit a trend
  B) When there are two main time-series variables involved in the forecast application
  C) When the data exhibit only random variation
  D) When the data set is extremely uneven

Question 2

Which of the following approaches might be used to determine which value for the smoothing constant to use in a single exponential smoothing model?
 
  A) Select the value that produces the smallest MAD value
  B) Select the value that maximizes the MSE
  C) Use the value that gives the largest MAD value
  D) Use the value that smoothes the data the most

[Ahnyah]

Answer to Question 1

A

Answer to Question 2

A

[skymedlock]

Gracias!

[Joy Chen]

Excellent