1. It is a common saying that the only thing certain about a forecast is that it will be wrong. What is meant by this?
2. How is a seasonal index computed from a regression line analysis?
3. Let's say you work for a company that makes prepared breakfast cereals like corn flakes. Your company is planning to introduce a new hot breakfast product made from whole grains that would require some minimal preparation by the consumer. This would be a completely new product for the company. How would you propose forecasting initial demand for this product?