Exports from the United States

question 19

Multiple Choice

Exports from the United States

• A) represent about one-half of world trade.
• B) amount to about 10 percent of GDP.
• C) amount to about 13 percent of GDP.
• D) are primarily raw materials.
• E) go mainly to third world countries.

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Definitions:

Level of Confidence

A statistical measure expressed as a percentage that indicates the reliability of an estimate or range of values.

Confidence Interval

A range of values, derived from sample data, that is likely to contain the value of an unknown population parameter with a certain level of confidence.

Critical Value

A mark on the test statistic's scale that, when surpassed, results in the null hypothesis being rejected.

Null Hypothesis

A hypothesis that assumes no significant difference or effect in an experimental setup, used as a default until evidence indicates otherwise.