Part 1: http://www.youtube.com/watch?v=gHdYEZA50KE&feature=youtu.be
Part 3: http://www.youtube.com/watch?v=kcfiu-f88JQ&feature=youtu.be
This is Part 2 of a 3 part "Time Series Forecasting in Excel" video lecture. Be sure to watch Part 1 before watching this part and Part 3 upon completing Part 1 and 2. The links for 1 and 3 are in the video as well as above.