The Symbol for the Sample Coefficient of Correlation Is:
A) $\rho$

question 155

Multiple Choice

The symbol for the sample coefficient of correlation is:

• A) r
• B) \(\rho\)
• C) r²
• D) \(\rho\)²

---

Definitions:

Herfindahl Index

A measure of market concentration that squares and then sums the market share percentages of all firms within the industry.

Market Shares

The proportion of a market controlled by a particular company, product, or service in relation to total sales in the market.

Herfindahl Index

A measure of market concentration that sums the squares of the market shares of all firms in the industry.

Market Shares

The portion of a market controlled by a particular company or product, often expressed as a percentage.