A Rank Correlation Coefficient Is to Be Calculated for a Collection

question 11

Multiple Choice

A rank correlation coefficient is to be calculated for a collection of paired data. 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) I and IV
• B) III
• C) I
• D) IV

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Definitions:

Low Leptin

A condition characterized by reduced levels of leptin, a hormone that regulates hunger and energy expenditure.

Fat Stores

Accumulated deposits of lipids in the body's adipose tissue, serving as a source of energy.

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The amount of energy used by the body in performing activities, measured in calories.

Stable Weight

A condition where an individual’s body weight remains relatively constant over a period of time.