Why Do Those Who Engage in Estimation Insist on Random

question 13

Multiple Choice

Why do those who engage in estimation insist on random sampling, rather than convenience sampling or judgment sampling?

• A) because random sampling avoids the errors inherent in matched pairs sampling
• B) because random sampling avoids the errors inherent in work sampling
• C) because random sampling eliminates the systematic error or bias that arises in non-random sampling

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Definitions:

Trade Deficit

A condition in which the total cost of goods and services a country buys from abroad is greater than the total cost of goods and services it sells to other countries.

Trade Surplus

A trade surplus occurs when a country exports more goods and services than it imports, indicating a positive balance of trade.

Goods

Tangible items that are produced or manufactured and can be bought, sold, or traded.

Services

Intangible products that are produced and consumed at the same time, offering value without transferring ownership.