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
A
You might also like to view...
Which of the following is true of pioneering advertising?
a. It offers consumers in-depth information about the benefits of a new product. b. It is highly used during the growth stage of the product life cycle. c. It focuses on influencing demand for a specific brand. d. It is used mainly to compare brands on one or more specific attributes.
Which of the following statements regarding Gantt charts is true?
A) Gantt charts give a timeline and precedence relationships for each activity of a project. B) Gantt charts use the four standard spines of Methods, Materials, Manpower, and Machinery. C) Gantt charts are visual devices that show the duration of activities in a project. D) Gantt charts are expensive. E) All of the above are true.