A Rank Correlation Coefficient Is to Be Calculated for a Collection

question 87

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) I
• B) III
• C) I and IV
• D) IV

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Definitions:

Psychological Needs

Basic human motivators related to mental health and well-being, such as belongingness, esteem, and self-actualization.

Esteem Needs

According to Maslow's hierarchy of needs, these are the fourth level of human needs, focusing on the desire for respect, self-esteem, and recognition from others.

Security Needs

Basic human requirements for safety and protection, as identified in Maslow's hierarchy of needs.

Physiological Needs

Basic physical requirements for human survival, such as food, water, and shelter, which are fundamental for the hierarchy of needs.