If Two Groups of Numbers Have the Same Mean, Then

question 158

Multiple Choice

If two groups of numbers have the same mean, then

• A)their standard deviations must also be equal
• B)their medians must also be equal
• C)their modes must also be equal
• D)None of these alternatives is correct.

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Definitions:

Fight-or-flight Response

A physiological reaction that occurs in response to a perceived harmful event, attack, or threat to survival.

Walter Cannon

A physiologist who coined the term "fight or flight" to describe the body's response to stress, and made significant contributions to understanding the autonomic nervous system.

Catecholamines

Biochemical compounds, including dopamine, norepinephrine, and epinephrine, that function as neurotransmitters and hormones, significantly affecting the body's stress response.

Neurotransmitters

Chemical substances in the body that transmit signals from one neuron to another across synapses.