Random Samples of Size 17 Are Taken from a Population

question 23

Multiple Choice

Random samples of size 17 are taken from a population that has 200 elements, a mean of 36, and a standard deviation of 8. The mean and the standard deviation of the sampling distribution of the sample means are

• A) 8.7 and 1.94.
• B) 36 and 1.94.
• C) 36 and 1.86.
• D) 36 and 8.

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Definitions:

Sympathetic Nervous System

Part of the autonomic nervous system that prepares the body for physical activity by triggering the "fight or flight" response.

Salivation

The involuntary production of saliva in the mouth, which can be stimulated by the anticipation of food or the presence of something to chew.

Amygdala

A part of the brain involved in emotion regulation, especially fear and pleasure responses.

Fear Response

An immediate alarm reaction triggered by the perception of imminent danger, real or perceived, characterized by physiological changes such as increased heart rate and adrenaline surge.