The Expected Value Of $\bar { x }$ Equals the Mean of the Population from Which the Sample

question 50

Multiple Choice

The expected value of $\bar { x }$ equals the mean of the population from which the sample is drawn _____.

• A) only if the sample size is 30 or greater
• B) only if the sample size is 50 or greater
• C) only if the sample size is 100 or greater
• D) for any sample size

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Definitions:

Charles Murray

An American political scientist and author known for his controversial works on intelligence, education, and U.S. social policy.

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The lists or registers of individuals receiving government assistance, often related to income support.

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A country in North America consisting of 50 states and a federal district, known for its large economy and diverse population.

Dramatically

This term indicates a significant, striking, or sudden change or effect.