The Spearman Rank Correlation Coefficient Is Used to Determine If

question 96

Multiple Choice

The Spearman rank correlation coefficient is used to determine if a relationship exits between two variables when:

• A)one of the variables is ordinal.
• B)both of the variables are ordinal.
• C)both variables are interval and the normality requirement is not satisfied.
• D)All of these choices are true.

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Definitions:

Herfindahl Index

A measure of market concentration that sums the squares of the market shares of all firms in the market, used to assess competition levels.

Federal Merger Guidelines

Regulations and criteria established by federal agencies to evaluate and approve or disapprove proposed mergers, ensuring fair competition.

Herfindahl Index

A measure of the size of firms in relation to the industry and an indicator of the amount of competition among them, calculated by squaring the market share of each firm within the industry and then summing the total.

Vertical Merger

A merger between two companies that operate at different stages of the production process for a specific product.