I If the Value of R Is -0

question 67

Multiple Choice

i. If the value of r is -0.96, what does this indicate about the dependent variable as the independent variable increases? ii. What is the value of the correlation coefficient if there is perfect correlation?
iii. If the dependent variable is measured in dollars, in what units is the standard error of estimate measured?

• A) it increases; zero; dollars squared
• B) it decreases; +/-1.0; dollars squared
• C) it increases; 1.0; dollars ($)
• D) it decreases; +/-1.0; dollars ($)
• E) it decreases; zero; dollars

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Definitions:

Hypothalamus

A region of the brain that controls an enormous number of bodily functions including hunger, thirst, sleep, and emotional activity.

Consciousness

The condition in which a person is conscious and can reflect on their own being, feelings, ideas, environment, and life events.

Suprachiasmatic Nucleus

A region in the brain's hypothalamus responsible for controlling circadian rhythms, including the sleep-wake cycle.

Circadian Cycle

The biological clock of living beings, regulating physiological and metabolic processes in a roughly 24-hour cycle.