What is the difference between data measured on an interval scale and data measured on a ratio scale?

a. A ratio scale has a true zero point, so zero on the scale corresponds to zero of the concept being measured.
b. A ratio scale puts scores into categories, while an interval scale measures on a continuous scale.
c. An interval scale has a true zero point, so zero on the scale corresponds to zero of the concept being measured.
d. A ratio scale has equal intervals between the points on the scale, whereas an interval scale does not.


c. An interval scale has a true zero point, so zero on the scale corresponds to zero of the concept being measured.

Psychology

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