The Sample Mean of a Variable Is 137

question 44

Multiple Choice

The sample mean of a variable is 137.6, and is reported with an associated p value of 0.001. How could this p value be interpreted as?

• A) Probability of .999 that true mean is null, when sample mean is 137.6.
• B) The chance of the population or true mean being 137.6 is 0.001.
• C) Probability of .001 that population mean is 0, when sample mean is 137.6.
• D) 99.9% chance that the true mean is greater than 137.6.

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Definitions:

National Security

The policies and measures that a nation undertakes to protect its citizens, economy, and institutions against external threats or aggression.

Tariffs

Taxes imposed on imported goods, often to protect domestic industries.

Tariff

A government levy placed on goods that are imported or exported.

Quota

An upper limit, set by the government, on the quantity of some good that can be bought or sold; also referred to as a quantity control.