Final answer:
In strategic crime analysis, variables that use equal intervals are continuous variables with continuous feature points and predetermined ranges. They are frequently used to analyze crime patterns and behaviors.
Step-by-step explanation:
In strategic crime analysis, the characteristics of variables that use equal intervals include continuous variables, continuous feature points, predetermined ranges, and they are frequently used. These variables are used to analyze crime patterns and behaviors. An example of a continuous variable could be the age of a suspect, where the feature point could be a specific age range, and the range could be determined by the analyst based on the data.