The direction of a correlation is either positive or negative. In a negative correlation, the variables move in inverse, or opposite, directions. In other words, as one variable increases, the other variable decreases. For example, there is a negative correlation between self-esteem and depression. In other words, the higher your self-esteem, the lower your feelings of depression.
Excel Communications was founded in 1988 by Dallas entrepreneur Kenny Troutt as a long distance reseller in the US telecom sector at the birth of telecom deregulation.
Apple was established on April 1, 1976, by Steve Jobs, Steve Wozniak and Ronald Wayne to sell the Apple I personal computer kit. The Apple I kits were computers single handedly designed and hand-built by Wozniak and first shown to the public at the Homebrew Computer Club.uring his keynote speech at the Macworld Expo on January 9, 2007, Jobs announced that Apple Computer, Inc. would from that point on be known as Apple Inc., because the company had shifted its emphasis from computers to mobile electronic devices. This event also saw the announcement of the iPhone and the Apple TV.