Here are some popular types of graphs and charts: 1  Some of the basic graphs used for categorical data include pie charts and bar graphs, which break down how many responses were given for each group of certain variables, such as gender or which applications are used on teensâ cellphones. An example of a bar graph.
The Electricity Section oversees the regulation of investor-owned electric utilities in Alabama. Only one electric utility, Alabama Power Co., falls under the PSC's regulatory authority, as cooperatives and municipal systems are exempt from state regulation. Additionally, the PSC does not regulate wholesale power generators or the Tennessee Valley Authority (TVA).
Essential Information. A physical therapy assistant (PTA) is not required to hold a license. However, many states regulate physical therapy assistants by ensuring that they complete some form of credentialing, whether that's certification, licensure or registration.hose states that do require a license to practice also ensure that a minimum number of continuing education courses be completed to keep the license valid. State licensing boards are the best source of information on requirements governing physical therapy assistants.