In Stratified Random Sampling, the Population Is First Divided Up

question 116

True/False

In stratified random sampling, the population is first divided up into mutually exclusive and collectively exhaustive groups, called strata. A stratified sample includes randomly selected observations from each stratum, which are proportional to the stratum's size.

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Definitions:

Profit

Difference between total revenue and total cost.

Marginal Revenue

The additional income earned from the sale of one more unit of a product or service.

Demand Curve

A graph showing the relationship between the price of a good and the quantity of that good consumers are willing and able to purchase at various prices.

Total Revenue

Total Revenue is the total amount of money received by a company from its sales of goods or services, before any expenses are subtracted.