Determine the Sample Size That Is Required to Estimate a Population

question 43

Essay

Determine the sample size that is required to estimate a population mean to within 0.4 units with a 99% confidence when the population standard deviation is 1.75.

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Definitions:

Hippocampus

From the Greek word for seahorse; distinctive allocortical structure lying in the medial temporal lobe; participates in species-typical behaviors, memory, and spatial navigation and is vulnerable to the effects of stress.

Hypothalamic-pituitary-adrenal Axis

The Hypothalamic-pituitary-adrenal Axis is a complex set of direct influences and feedback interactions among the hypothalamus, pituitary gland, and adrenal glands, regulating stress response and many body processes.

Chronic Stress

A constant sense of pressure and demand over an extended period, which can lead to significant health and psychological problems.

Cognitive-behavioral Therapy

A psychological treatment approach that addresses dysfunctional emotions, behaviors, and cognitions through a goal-oriented, systematic process.