Because the zero point is fixed in interval scales,it is not meaningful to take ratios of scale values.Ratios of differences between scale values are permissible.

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Quizplus · Accepted Answer

In interval scales, the zero point is not fixed (it is arbitrary), and it is indeed not meaningful to take ratios of scale values because the scale does not have a true zero. However, it is meaningful to take differences between scale values, not ratios of differences. Ratios are meaningful in ratio scales, which have a true zero point.

Because the Zero Point Is Fixed in Interval Scales,it Is