A Rank Correlation Coefficient Is to Be Calculated for a Collection

question 79

Multiple Choice

A rank correlation coefficient is to be calculated for a collection of paired data. The values lie between -10 and 10. Which of the following could affect the value of the rank correlation coefficient? I: Multiplying every value of one variable by 3
II: Interchanging the two variables
III: Adding 2 to each value of one variable
IV: Replacing every value of one variable by its absolute value

• A) III
• B) IV
• C) I
• D) I and IV

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Definitions:

Iroquois

A historically powerful and influential confederation of six Native American nations in Northeast North America, known for their political union and significant cultural contributions.

Revolutionary War

The war fought between 1775 and 1783 when the American colonies won independence from British rule; also known as the American Revolutionary War.

British Support

Assistance or backing provided by the United Kingdom, which may involve diplomatic, military, or economic aid to other countries or entities.

Battle of Yorktown

The decisive engagement in 1781 during the American Revolutionary War, where American and French forces defeated British troops, leading to the end of major hostilities.