You Want to See If the Number of Minutes Cell

question 38

Multiple Choice

You want to see if the number of minutes cell phone users use each month has changed from its mean of 120 minutes 2 years ago.You take a random sample of 100 cell phone users and find an average of 135 minutes used.

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Definitions:

WTO

The World Trade Organization, an international body that deals with the rules of trade between nations, aiming to ensure that trade flows smoothly, predictably, and freely.

NAFTA

The North American Free Trade Agreement; a treaty between the United States, Canada, and Mexico that eliminated most tariffs on trade between them.

European Union

A political and economic union of 27 European countries that have agreed to follow common economic, social, and security policies.

Labor Standards

Regulations concerning the rights and welfare of workers, including minimum wage, working hours, safety, and health protections, and non-discrimination practices.