Moving Averages: Introduction
By: Casey Murphy
Technical analysis has been around for decades and through the years, traders have seen the invention of hundreds of indicators. While some technical indicators are more popular than others, few have proved to be as objective, reliable and useful as the moving average.
Moving averages come in various forms, but their underlying purpose remains the same: to help technical traders track the trends of financial assets by smoothing out the day-to-day price fluctuations, or noise.
Link to material: http://www.investopedia.com/university/movingaverage/#axzz1uS2VZEOC