Of the Share of the U

question 249

Multiple Choice

Of the share of the U.S. national debt that is held by the public, _____ hold nearly ____.

• A) foreigners; three times as much as do Americans
• B) foreigners; twice as much as do Americans
• C) Americans; twice as much as do foreigners
• D) foreigners; the same amount as do Americans

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Definitions:

Test Statistic

A value calculated from sample data that is used in a hypothesis test to determine whether to reject the null hypothesis.

Degrees Of Freedom

The number of independent values or quantities which can be assigned to a statistical distribution or calculation.

Null Hypothesis

A hypothesis stating there is no significant difference or effect, serving as the default assumption in hypothesis testing.

T Test

A statistical test used to compare the means of two groups to see if there is a significant difference between them, often used when dealing with small sample sizes.