If the Surviving Participants in the Last Wave of Testing

question 17

Multiple Choice

If the surviving participants in the last wave of testing in a longitudinal study on health and aging were those who initially had the lowest blood pressures,then we have a case of

• A) negative selective survival.
• B) positive selective survival.
• C) elective selective survival.
• D) equally selective survival.

---

Definitions:

TC

Total Cost, which refers to the aggregate amount of expenses incurred by a business in producing goods or services.

AVC

Average Variable Cost, the total variable costs divided by the quantity of output produced, representing the variable cost per unit of output.

ATC

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

Economic Profits

The surplus that remains after all operational costs, including opportunity costs, are subtracted from total revenues.