A Sample Is to Be Selected from a Large Population

question 10

Multiple Choice

A sample is to be selected from a large population using simple random sampling.The proportion of subjects in the sample that have a given characteristic is to be calculated.Which of the following best describes the sample proportion?

• A)It is a parameter.
• B)It is a statistic,which is unbiased for the population parameter only if the population is at least 100 times larger than the sample.
• C)It is a statistic that is unbiased,and its variability does not depend on the population size provided the population is at least 100 times larger than the sample.
• D)It is a lurking variable whose value is unknown.
• E)It is a statistic,but its behavior cannot be determined because only one sample is to be taken.

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Definitions:

Frederick Douglass

An American social reformer, abolitionist, orator, writer, and statesman, who after escaping from slavery in Maryland, became a national leader of the abolitionist movement.

Abolitionist Literature

Literature aimed at fighting against slavery and the slave trade, created by both enslaved and free people.

First Amendment

An amendment to the US Constitution that ensures freedoms concerning religion, expression, assembly, and the right to petition.

Andrew Jackson

The seventh President of the United States, known for his policies towards Native American removal, founding of the Democratic Party, and his role in the War of 1812.