By Age ___, the Average Child Has a Vocabulary of 900

question 168

Multiple Choice

By age ___, the average child has a vocabulary of 900 to 1,000 words.

• A) 3
• B) 5
• C) 7
• D) 9

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Definitions:

Least-Cost Production Technique

An approach in production that minimizes input costs for a given output level, optimizing resource use efficiency.

Competitive Market Economy

An economic system where supply and demand determine the prices of goods and services, with minimal government intervention.

Economically Most Efficient

The state of achieving the highest level of output with the lowest possible input, optimizing the use of resources without waste.

Resource Prices

The cost of inputs used in the production of goods and services, such as labor, raw materials, and capital.