When Dr Pressley Examines the Study Habits of His Students He

question 207

Multiple Choice

When Dr. Pressley examines the study habits of his students he finds that as the number of hours they spend studying increases, so do their grades. He finds an even stronger correlation between partying and grades in that as their grades improve the number of hours they spend partying decreases. When he runs the statistics on these data he finds
Which of the following correlation coefficients for hours studying with grades and hours partying with grades respectively:

• A) +0.63; -0.34
• B) +0.34; -0.63
• C) -0.34; +0.63
• D) -0.63; +0.34

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Definitions:

Flexed

The position of a limb or body part that is bent, reducing the angle between the bones at a joint.

Excessive Stretching

Stretching of muscles or ligaments beyond their normal capacity, which can lead to damage or injury.

Forcible

Done by force, often implying the use of physical strength or violence.

Muscle

Tissue in the body that contracts to allow movement of parts of the body.