Assuming a Linear Relationship Between X and Y, If the Coefficient

question 127

Multiple Choice

Assuming a linear relationship between X and Y, if the coefficient of correlation (r) equals -0.30,

• A) there is no correlation.
• B) the slope (b₁) is negative.
• C) variable X is larger than variable Y.
• D) the variance of X is negative.

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Definitions:

Farmers

Individuals engaged in agriculture, aiming at producing food and other crops, raising livestock, and managing farm operations.

Railroad Lines

These are networks of tracks along which trains travel, essential for the transportation of goods and passengers over land.

Unprofitably Low Rates

Pricing levels that are so low they do not generate enough revenue to cover costs, leading to financial losses.

Competitive Routes

Refers to transportation or shipping paths that various companies or countries vie to control or use due to their strategic importance or profitability.