What Can We Say About the Relationship Between a Correlation

question 30

Multiple Choice

What can we say about the relationship between a correlation r and the slope b of the least-squares line for the same set of data?

• A) r is always larger than b.
• B) r and b always have the same sign (+ or -).
• C) b is always larger than r.
• D) b and r are measured in the same units.
• E) Both "b is always larger than r" and "b and r are measured in the same units" are correct.

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Definitions:

Bipolar II Disorder

A form of mood disorder characterized by episodes of hypomania and severe depression, but without the full-blown manic episodes seen in Bipolar I Disorder.

Hypermania

A severe form of mania characterized by extremely elevated mood, energy, and activity levels, often disrupting daily functioning.

Rapid Cycling Mania

A pattern in bipolar disorder characterized by four or more episodes of mania or depression within a year.

Short Cycling Bipolar Disorder

A form of bipolar disorder characterized by rapid transitions between manic and depressive episodes without the typical intervening periods of stability.