题目内容

Social security numbers consist of numeric values. Therefore, social security is an example of（）

A. a quantitative variable
B. either a quantitative or a categorical variable
C. an exchange variable
D. a categorical variable

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Quantitative data refers to data obtained with a（n）（）

A. ordinal scale
B. nominal scale
C. either interval or ratio scale
D. only interval scale

The ordinal scale of measurement has the properties of the（）

A. ratio scale
B. interval scale
C. nominal scale
D. ratio and interval scales

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A. ordinal scale
B. nominal scale
C. ratio scale
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A. ordinal scale
B. ratio scale
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