A Researcher Has Collected Nationwide Data for the Age of Mothers

question 3

Multiple Choice

A researcher has collected nationwide data for the age of mothers at the time they give birth and the incidence of Down syndrome.What relationship between maternal age and Down syndrome is this researcher likely to find?

• A)a very weak relationship
• B)incidence of Down syndrome increases among those born to mothers who are older
• C)incidence of Down syndrome decreases among those born to mothers who are older
• D)incidence of Down syndrome increases among mothers under the age 35

---

Definitions:

Natural Monopoly

A market condition where a single firm can supply a product or service to an entire market at a lower cost than what two or more firms could achieve, often due to high fixed or barrier costs.

Compliance Costs

Expenses incurred by businesses and organizations in adhering to regulations, laws, guidelines, and standards, including the costs of implementing necessary changes.

Industrial Regulation

Involves government policies and rules aimed at regulating the activities and standards of specific industries to protect public interest.

Average Total Cost

The total cost of production divided by the quantity produced, representing the cost per unit of output.