Final answer:
The distance between Code Groups cannot be determined without additional context or information. Measurement units and scale are essential for understanding and conveying distances accurately in any field.
Step-by-step explanation:
The question "What is the distance between Code Groups" seems to refer to an unspecified context and therefore cannot be accurately answered without additional information. The distance between code groups could be a concept from computer science (in which case it might refer to clusters of data on a storage device, or spaces between codes in a programming context), mathematics (where it could refer to intervals between grouped numbers), or other contexts. Without specific contextual information or units of measurement, it's impossible to determine whether the answer is 1 unit, 2 units, or 3 units, or even if these choices are applicable.
In measurements, context is always crucial. For example, in Figure 1.13 it is emphasized that distances given in unknown units are not very useful. When determining a measurement, such as the distance between two cities, you would consider the scale of the measurement to select the correct unit. For relatively small or everyday measurements, in the International System of Units (SI), the meter or centimeter might be used, and for longer distances, kilometers are standard.