If the Coefficient of Correlation Is a Positive Value, Then

question 36

Multiple Choice

If the coefficient of correlation is a positive value, then the slope of the regression line _____.

• A) must also be positive
• B) can be either negative or positive
• C) can be 0
• D) None of the answers is correct.

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Definitions:

Repair Cost

The expense incurred to fix or restore equipment, machinery, or property to its operational condition.

Least-squares Regression

A statistical method used to determine the line of best fit by minimizing the sum of the squares of the vertical distances of the points from the line.

Total Cost

The sum of all expenses incurred in the production of goods or services, including fixed and variable costs.

Monthly Production

The total output or quantity of goods produced by a company in a single month.