A critique of social disorganization theory is that some of the studies tend to use group rates to explain individual crime. Aggregate statistics do not yield accurate estimates if the intended unit of analysis is the behavior of individuals. Consequently, researchers have committed a/an fallacy.

Ecological fallacy

Explanation:

Ecological fallacy is defined as the making decision about any particular person or situation based on group statistical data.This makes a person judge about any individual in incorrect manner sometimes as some information might be missing the group data sets.

According to the question, researcher are involving ecological fallacy in their research by using group rates for signifying the crime performed by an individual. Thus, the judgment based on this statistic about every person's behavior is not accurate .

what is the tax base for the sales tax?

it should be (usually ) 6%