This variance is due to differences in the cost of living, usually in urban communities. At the current time, 29 states have minimum wages above the federal minimum wage ($7.25/hour), and five states have not set a state minimum wage.
How We Finally Made Agile. Development Work. BY JEFF GOTHELF. Many software products benefit from a continuous improvement model, and for the teams. working on them, increased agility is inevitable. Yet, despite dozens of books on the subject, thousands of eager coaches, and a multitude of software vendors hawking products to make agile.
Agile is the methodology. Scrum is one of the Agile method or a framework that facilitates enforcing some of the Agile values. Scrum Master is a role in Scrum team. These sites are the origins of Agile & Scrum respectively and good place to start.