The Coefficient of Determination Is the Percentage of Variance in One

question 45

Multiple Choice

The coefficient of determination is the percentage of variance in one variable that _________.

• A)is accounted for by the variance in the other variable
• B)matters only when the other variable is constant
• C)equals the square root of the Pearson product-moment correlation coefficient
• D)can be determined by taking the square root of the phi coefficient

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Definitions:

Sit-Ups

An exercise involving the raising of the torso from a lying position to a sitting position and back down, intended to strengthen abdominal muscles.

Biceps Curls

An exercise that targets the biceps muscles by curling a weight towards the shoulders, commonly performed with dumbbells or barbells.

Multiple-Joint Exercise

Exercises that involve more than one joint and muscle group simultaneously, such as squats and bench presses.

Squat

A strength exercise where the individual lowers their hips from a standing position and then stands back up, targeting the lower body muscles.