Statistics are subject to interpretation, which may not always be correct. However, it can be vital to understand that the statistics, and their interpretation(s), may well be used to bolster an argument in an incorrect and/or misleading way. In your browser type in search terms like “incorrect statistics,” “misleading statistics,” etc. Preferably find one pertaining to policies.
First, describe what the statistic given is/was. Next describe in what manner(s) the statistic was apparently erroneous, either in actuality or as used. Then, what is the danger of this use to the public? Finally, describe, if possible, what might have been a way to correct the error, or more accurately use the information.