The Old-Age Dependency Ratio (OADR)is Calculated as the Number of People

question 56

Multiple Choice

The old-age dependency ratio (OADR) is calculated as the number of people who are _____.

• A)age 65 years or older,divided by the number of people age 20 to 64,times 100
• B)age 20 to 64 years old,divided by the number of people age 65 or older,times 100
• C)age 55 years or older,multiplied by the number of people age 18 or older,times 50
• D)age 55 years or older,added to the number of people age 21 or older,times 50

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Definitions:

Proximity Sensor

A sensor that detects the presence of nearby objects without any physical contact, often used in industrial applications to detect the position of parts and materials.

Circuit

A closed path through which electric current flows, or may flow, including all active and passive components it comprises.

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Devices used to read the information contained in a bar code, translating the bar code's data pattern into a readable format for computers.

Data Collection

The process of gathering and measuring information on targeted variables in an established system, which then enables one to answer relevant questions and evaluate outcomes.