If All the Points in a Scatter Diagram Lie on the Least

question 144

Multiple Choice

If all the points in a scatter diagram lie on the least squares regression line,then the coefficient of correlation must be:

• A)1.0
• B)−1.0
• C)either 1.0 or −1.0
• D)0.0

---

Definitions:

Tariffs

Taxes imposed by a government on imported goods and services to restrict imports or generate revenue.

Import Quotas

Restrictions set by a country on the quantity of goods that can be imported within a certain time frame to protect domestic industries.

Domestic Employment

The total number of people employed within a country's borders, reflecting the health of the economy and labor market.

Services Abroad

The provision of services by a country or business to clients or customers located in other countries.