In mathematics and statistics, the term arithmetic mean is preferred over simply mean because it helps to differentiate between other means such as geometric and harmonic mean. Statistical mean is the most common term for calculating the mean of a statistical distribution.
There were, in my opinion, two main reasons for this: 1  I believe that Dr. King believed that nonviolence was a more moral strategy than one that included violence. 2  King also believed that nonviolence was a more effective way to get people on the side of the protestors.
Over the following decade, King wrote, spoke and organized nonviolent protests and mass demonstrations to draw attention to racial discrimination and to demand civil rights legislation to protect the rights of African-Americans.