Exhibit 11.19
The following questions use the data below.
A store wants to predict quarterly sales. The owner has collected 3 years of sales data and wants your help in analyzing the data using the double moving average method. 
-Refer to Exhibit 11.19. What formulas should go in cells E6:G14 of the spreadsheet if the double moving average method is used to forecast sales?
Definitions:
Team Development
The process of improving the cohesiveness and performance of a team through various stages of growth and interaction.
Infighting
Conflict or discord occurring within a group, organization, or between individuals, often disrupting cohesion and progress.
Performing Stage
Performing stage marks the emergence of a mature and well-functioning team.
Team Development
The process through which a group of people evolves into a cohesive unit, typically involving stages of forming, storming, norming, performing, and adjourning.
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