In Regression Analysis, the Coefficient of Determination $$R ^ { 2 }$$

question 159

Multiple Choice

In regression analysis, the coefficient of determination, $$R ^ { 2 }$$ , measures the amount of variation in y that is:

• A) caused by the variation in x.
• B) explained by the variation in x.
• C) unexplained by the variation in x.
• D) caused by the variation in x or explained by the variation in x.

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Definitions:

E-commerce

E-commerce refers to the buying and selling of goods or services using the internet, and the transfer of money and data to execute these transactions.

Retail Sales

The selling of goods and services directly to consumers for personal use.

Transactions

Financial activities involving exchanges of value between two parties, often recorded and tracked in accounting systems.

Paperwork

The written documents or records, especially those associated with transactions, processes, or administration.