On a Survey,age Was Divided into Three Categories

question 14

Multiple Choice

On a survey,age was divided into three categories:
1) Younger than 18
2) 18 to 21
3) Older than 21
The researcher computed the mean age of her respondents by adding up the scores (the 1s,2s,and 3s) and then dividing by the number of cases.This was a mistake because the data are

• A)only nominal and shouldn't be treated as ordinal.
• B)ordinal and shouldn't be treated as nominal.
• C)interval-ratio.No mistake has been made.
• D)ordinal and shouldn't be treated as interval-ratio.

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Definitions:

Efficiency Losses

The reduction in economic efficiency due to imbalances or distortions in the market, often manifesting as excess or insufficient production and consumption.

Output Level

The quantity of goods or services produced by a firm or economy in a given period.

External Benefits

Positive effects of a product or service that are enjoyed by people other than those who directly use or consume the product or service.

Private Benefits

The direct advantages or gains accruing to an individual or organization from their economic actions, excluding wider societal impacts.