Exhibit 14-6
You are given the following information about y and x. 
-A company has recorded data on the weekly sales for its product (y) and the unit price of the competitor's product (x). The data resulting from a random sample of 7 weeks follows. Use Excel's Regression Tool to construct a residual plot and use it to determine if any model assumption have been violated. 
Definitions:
Date of Immunizations
The specific dates on which vaccines are administered to protect against various infectious diseases.
Focus Discussion
A targeted conversation or debate centered on a specific subject or issue.
Confidentiality
The ethical principle or legal right that a physician or other healthcare professional will hold secret all information relating to a patient unless the patient gives consent permitting disclosure.
Chief Complaint
The primary symptom or concern that leads a patient to seek medical attention or care.
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