Norms for a New Test of Mental Ability Were Obtained

question 24

Multiple Choice

Norms for a new test of mental ability were obtained from a large sample of the general population.The mean of the test was set to 100 and the standard deviation was 15.Approximately what percentage of the population would fall within the range bounded by scores of 85 and 115?

• A) 20 percent
• B) 68 percent
• C) 2 percent
• D) 98 percent

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Definitions:

Populations

Groups of individuals of the same species living and interacting within a specific area.

Total Demand

The entire quantity of a good or service that all consumers in a market are willing and able to purchase at a given price over a specific time period.

Commodity Resources

Natural resources or goods that are considered valuable in their natural form, such as oil, gold, and agricultural products.

Consumption Per Person

Consumption per person measures the amount of goods and services consumed, on average, by each person within a population.