Which of the following scales has an absolute zero point?
a. Interval
b. Nominal
c. Ordinal
d. Ratio
ANS: D
An absolute zero point means the value of zero indicates the absence of the property being measured. Only ratio levels of measurement exhibit an absolute zero point.
Interval level of measurement has equal intervals between each designation.
Nominal level of measurement simply "names" the categories.
In ordinal-scale measurement, data are assigned to categories than can be ranked.
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