If Nothing Is Known About the Shape of a Distribution

question 132

Multiple Choice

If nothing is known about the shape of a distribution, what percentage of the observations fall within 2 standard deviations of the mean?

• A) at least 75%
• B) at most 25%
• C) approximately 95%
• D) approximately 5%

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Definitions:

Trade Deficit

A nation's negative balance of trade, which exists when that country imports more products than it exports.

Taxes on Imports

Financial duties applied to goods brought into one country from another, typically used to protect domestic industries and generate revenue.

Trade Deficit

An economic measure where a country's imports exceed its exports over a certain period, indicating an outflow of domestic currency to foreign markets.