If the Data Are Available on the Response Variable Y

question 9

Multiple Choice

If the data are available on the response variable y and the explanatory variable x,and the fit of the quadratic regression model y = β₀ + β₁x + β₂x² + ε is to be tested,standard linear regression can be applied on ________.

• A) y and x
• B) y,x,and x²
• C) y,xy,and x²
• D) y,y²,and x²

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Definitions:

Organizations

Structured groups of people with a shared purpose, such as corporations, governments, non-profits, and clubs.

Social Media

Digital platforms and technologies that enable users to create, share content, and participate in social networking.

Credibility

The quality of being trusted and believed in, often essential for building and maintaining customer relationships in business.

Influencers

Individuals who have the power to affect the purchasing decisions of others due to their authority, knowledge, position, or relationship with their audience.