Taser Accuracy
Tasers are nonlethal weapons used by police to subdue dangerous people. This electroshock weapon uses electrical current to disrupt control of an individual's muscles. The police forces in England maintain careful records concerning the use of Tasers. Records from 2010-2012 indicate the following.
Is there any evidence to suggest that the true proportion of chest hits is greater in Lancashire than in West Mercia? Use a = 0.01.