The R² Value

question 55

Multiple Choice

The R² value:

• A) is the variability of the observed Y-values from the predicted values.
• B) indicates that as the independent variable increases, the intercept term does too.
• C) gives the proportion of variation in the dependent variable that is explained by the independent variable.
• D) transforms the cumulative probability scale vertical axis) so that the graph of the cumulative normal distribution is a straight line.

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Definitions:

Systole

The phase of the heart cycle during which the heart muscles contract and pump blood into the arteries.

Contraction Phase

The period during a muscle contraction when muscle fibers shorten and tension increases, typically measured in an isotonic contraction.

Femoral Vein

A major vein located in the thigh that carries blood from the lower extremities back to the heart.

Thigh

The part of the human leg between the hip and the knee.