Question

Choose the correct difference between the verbal scale and ratio scale.

• A. Verbal scales are unitless whereas ratio scales have units.
• B. Verbal scales are greater than ratio scales.
• C. Verbal scales have units whereas ratio scales are unitless.
• D. Verbal scales are smaller than ratio scales.

Answer 1

The correct option is C Verbal scales have units whereas ratio scales are unitless.

Verbal scales have units as they are defined as a certain length on the map representing a certain length on the ground. For example 1cm=100km.

In cases of ratio scales, both distances (i.e. the distances on the map and ground) have the same units. Hence, their ratio is unitless.