A recent study by a major financial investment company was interested in determining whether the annual percentage change in stock price for companies is linearly related to the annual percent change in profits for the company.The following data was determined for 8 randomly selected companies: 
Based upon this sample information,what portion of variation in stock price percentage change is explained by the percent change in yearly income?
Definitions:
Patient Instructions
Guidelines given by healthcare providers to patients to help manage their condition, promote recovery, or prepare for a medical procedure.
Prescription
A written order, typically from a healthcare provider, authorizing a patient to be issued a medicine or treatment.
United States Pharmacopeia
A compendium of drug standards that ensures the quality, purity, strength, and consistency of medications in the United States.
Drug Standards
Official specifications concerning the quality, strength, purity, and identity of medications, enforced to ensure their safety and efficacy.
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