Which of the Following Statements Concerning Pearson R Is Not

question 97

Multiple Choice

Which of the following statements concerning Pearson r is not true?

• A) r = 0.00 represents the absence of a relationship.
• B) The relationship between the two variables must be nonlinear.
• C) r = 0.76 has the same predictive power as r = - 0.76.
• D) r = 1.00 represents a perfect relationship.
• E) All of these are true statements.

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Definitions:

Urine Volume

The total amount of urine excreted by the kidneys over a given period, important in assessing kidney function and fluid balance.

Medullary Concentration Gradient

A gradient responsible for the osmoregulation in the kidneys, allowing for the concentration or dilution of urine.

Kidney

An organ in vertebrates that filters waste from the blood, regulates body fluids, and excretes urine.

Urine Concentration

The process by which the kidneys regulate the water content and solute composition of the urine.