Which Stats Command Function Provides a Count of How Many

question 50

Multiple Choice

Which stats command function provides a count of how many unique values exist for a given field in the result set?

• A) dc(field)
• B) count(field)
• C) count-by(field)
• D) distinct-count(field)

---

Definitions:

Perfectly Competitive Industry

An industry that meets the criteria for perfect competition, meaning it includes many small firms producing identical products and allows for free entry and exit.

Total Surplus

The sum of consumer surplus and producer surplus in a market; it measures the total benefit to society from the production and consumption of goods and services.

AC

Average Cost, which is the total cost of production divided by the quantity of output produced.

Monopolist

A single seller in a market who has significant market power and can influence the price and quantity of goods or services.