Use the Given Degree of Confidence and Sample Data to Find

question 73

Multiple Choice

Use the given degree of confidence and sample data to find a confidence interval for the population standard deviation σ.
Assume that the population has a normal distribution. Round the confidence interval limits to the same number of decimal places as the sample standard deviation.
-College students' annual earnings: 98% confidence; n = 9, $\bar { x }$ = $3361, s = $865

• A) \(\$ 546 < \sigma < \$ 1907\)
• B) \(\$ 584 < \sigma < \$ 1657\)
• C) \(\$ 526 < \sigma < \$ 1693\)
• D) \(\$ 681 < \sigma < \$ 1128\)

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Definitions:

Physiological States

Various conditions or statuses of the body's internal processes, often influenced by internal and external factors.

Drives

Internal motivational states that prompt organisms to fulfill basic needs, such as hunger, thirst, or the drive for social connection.

Maslow

Abraham Maslow was an American psychologist best known for creating Maslow's hierarchy of needs, a theory of psychological health predicated on fulfilling innate human needs in priority, culminating in self-actualization.

Basic Needs

Fundamental requirements for human survival and well-being, such as food, water, shelter, and safety.