Which of the following can be treated as an interval-ratio variable?
A) Social security number
B) Zip code
C) Age
D) Hair color

Name: Which of the following can be treated as an interval-ratio variable? A) Social security number B) Zip code C) Age D) Hair color
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Question

Quizplus · Accepted Answer

Age is an interval-ratio variable because it has equal intervals between the values and a true zero point, meaning that a score of 0 represents an absence of the variable being measured.

Which of the Following Can Be Treated as an Interval-Ratio