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TABLE 3-3
The ordered array below represents the number of vitamin supplements sold by a health food store in a sample of 16 days.
19, 19, 20, 20, 22, 23, 25, 26, 27, 30, 33, 34, 35, 36, 38, 41
Note: For this sample, the sum of the values is 448, and the sum of the squared differences between each value and the mean is 812.
-Referring to Table 3-3, the standard deviation of the number of vitamin supplements sold in this sample is ________.
Norepinephrine
A neurotransmitter and hormone involved in regulating stress responses, attention, and arousal states within the body.
Serotonin
A neurotransmitter involved in many functions, including mood regulation, appetite, and sleep, with imbalances associated with several mental health disorders.
Brain Stimulation
Therapeutic procedures that use electrical impulses or magnetic fields to stimulate brain activity, used to treat various neurological and psychiatric conditions.
Severe Depression
A major mental health condition marked by intense feelings of sadness, worthlessness, and a lack of interest or pleasure in activities, significantly impairing daily functioning.
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