Problem
1. List and explain the possible variations in the time series data. How are they different from each other? How would they affect the data and how would they be counted for?
2. Explain the concept of smoothing in forecasting. List and compare the various types of smoothing techniques and when they would be needed and how would they work.
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.