Which Selection Below Is NOT a Primary Source

question 7

Multiple Choice

Which selection below is NOT a primary source?

• A) textbook
• B) diary
• C) interview
• D) survey

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Definitions:

Regression Line

A statistical method used to describe the linear relationship between two or more variables, often depicted as a straight line on a graph.

Stock Return

The profit or loss made on an investment in stock, usually expressed as a percentage of the purchase price.

Slope

The measure of the steepness and direction of a line, representing the rate of change of a function.

Simple Regression

A statistical method for quantifying the relationship between a single independent variable and a single dependent variable.