A Population Has a Standard Deviation of 25

question 60

Multiple Choice

A population has a standard deviation of 25. A random sample of 125 items from this population is selected. The sample mean is determined to be 325. At 95% confidence, the margin of error is

• A) 2.24.
• B) 5.
• C) 4.38.
• D) 11.18.

Identify the role and impact of government policies on income distribution and economic efficiency.

Understand the concept and measurement of poverty, including the poverty line and poverty rate.

Explain the impact of in-kind transfers and government assistance on the standard of living.

Discuss various philosophical views on income distribution, including those of libertarians, utilitarians, and liberalism.

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Definitions:

Likert Scale

A psychometric scale commonly involved in research that employs questionnaires, designed to gauge the attitude or response of a subject towards a set of criteria, using a linear scale.

Reliability

The degree to which an assessment tool produces stable and consistent results over multiple administrations or applications under the same conditions.

Validity

The extent to which a concept, conclusion, or measurement is well-founded and likely corresponds accurately to the real world.

100% Reliable

An absolute level of dependability and consistency in performance or outcome that is often considered unachievable in practice.