What two groups must communicate well in order for the forecast process to be effective?

Answer the following question in detail;

Discuss how forecasting has moved from purely judgmental methods to highly complex methods.
2. What two groups must communicate well in order for the forecast process to be effective? Explain why.
3. Describe the nine-step forecast process presented in the chapter.
4. What are the two main things to consider when selecting a forecast method? Why?Note:

 

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