Now letâs see what we get when we do the math. The mean of this new data set would be the sum of the values ($690,000) divided by the number of values (11). This gives you a mean or average salary for the accounting department of $62,727.
Forget Orville Wright and his brother Wilbur. Start thinking instead of Alberto Santos Dumont, the Brazilian pioneer aviator and the man who really invented the aeroplane. That is the attitude here in Brazil, as the country prepares to celebrate the centenary tomorrow of the world's first powered flight.
The history of airplanes dates back to the late 18th century. But the first-ever powered airplane flight was made on December 17, 1903, by the Wright brothers. The aircraft was named aËFlyeraâ¢ at Kitty Hawk, North Carolina. In 1911, the Wrightsaâ¢ Vin Fiz was the first airplane to cross the United States.