An Analysis of Variance Differs from a T Test for Independent

question 39

Multiple Choice

An analysis of variance differs from a t test for independent means in that an analysis of variance

• A)is usually used to compare two groups,while a t test for independent means can be used to compare two or more groups.
• B)can be used to compare three or more groups,while a t test for independent means cannot be used to compare more than two groups.
• C)is conducted before the experiment,while a t test for independent means is conducted after the experiment.
• D)includes computation of group variances as part of the analysis,while a t test does not include these computations.

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Definitions:

Brain Stem

The part of the brain connecting the spinal cord with the forebrain and cerebrum, controlling vital functions such as breathing and heart rate.

Body Temperature

The measure of the body's ability to generate and get rid of heat, reflecting the balance between heat production and heat loss, crucial for proper physiological functioning.

Hypothalamus

A region of the brain responsible for producing hormones that control body temperature, hunger, moods, release of hormones from many glands, especially the pituitary gland, sleep, and thirst.

Appetite

The natural desire or urge to eat, which is regulated by physiological mechanisms in response to the body's energy needs.