Examlex
A probability sample is a sample in which the sampling units are chosen from the population by means of a random mechanism such as a random number table.
Goods
Tangible products that satisfy human wants or needs.
Production Possibilities Frontier
A curve that represents the maximum productive capacity of an economy when all resources are fully utilized.
Consumption Possibilities
The range of goods and services that a consumer can afford to purchase at a given level of income and prices.
Trade
The exchange of goods and services between individuals or entities, typically in an attempt to benefit from differences in cost or value.
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