Exhibit 11.10
The following questions use the data below.
Joe's Sporting Goods wants to forecast quarterly sales figures using a quadratic trend model. The store has collected 12 quarters of data and needs your help to analyze the data. The relevant regression output is in the following table. 
-Refer to Exhibit 11.10. What is the Input Y Range in the Regression command settings dialog box?
Definitions:
SDLC
Software Development Life Cycle; a process for planning, creating, testing, and deploying an information system.
System Developers
Professionals who create and maintain computer systems by writing, updating, and testing software to meet specific requirements.
Operation Stage
A phase in the lifecycle of a process or project where the planned activities are being executed and managed towards achieving the desired outcome.
Testing Stage
A phase in the development process where the system or components are evaluated to determine if they meet the required specifications and function correctly.
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