Construct a 95% Confidence Interval for the Population $\sigma$

question 6

Multiple Choice

Construct a 95% confidence interval for the population standard deviation $\sigma$ if a sample of size 18 has standard deviation s=20 .

• A) (15.70,28.00)
• B) (14.69,28.74)
• C) (15.01,29.98)
• D) (15.11,29.58)

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Definitions:

Soma

The cell body of a neuron, containing the nucleus and metabolic machinery necessary for maintaining cell functions.

Soma

In biology, refers to the body of an organism, distinguishing from its germ cells or psyche. In literature, may refer to a narcotic substance used to induce euphoria or oblivion.

Nervous System

The network of nerve cells and fibers that transmits nerve impulses between parts of the body, coordinating its actions and sensory information.

Endorphins

Natural chemicals in the body that interact with the brain's receptors to reduce pain and boost pleasure, resulting in a feeling of well-being.