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If the mean waiting time for the next arrival is 12 minutes, what is the median waiting time?
Endorphin Levels
The concentration of endorphins, which are natural, pain-relieving chemicals produced by the body, in one's bloodstream.
Afraid
A feeling of fear or anxiety about a possible or imminent situation or event.
Under Stress
Experiencing physical or emotional tension resulting from challenging or demanding circumstances.
Cortisol
A steroid hormone released by the adrenal glands in response to stress or low blood-glucose concentration; it plays a key role in the body's stress response.
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