And as the Centers for Disease Control and Prevention sounds the alarm about a worsening heroin epidemic here in the U.S., opium production in Afghanistan shows no signs of slowing down. Afghanistan has roughly 500,000 acres, or about 780 square miles, devoted to growing opium poppy. That's equivalent to more than 400,000 U.S. football fields â including the end zones, John Sopko, Special Inspector General for Afghanistan Reconstruction, said in a speech in May.
Quick Answer. The mathematical symbol for average is an italicized x with a horizontal line over it. The most common type of average is the mean, though other types exist. Continue Reading.
The geometric mean is NOT the arithmetic mean and it is NOT a simple average.It is the nth root of the product of n numbers. That means you multiply a bunch of numbers together, and then take the nth root, where n is the number of values you just multiplied.aturally, the geometric mean can get very complicated. Here's a mathematical definition of the geometric mean: Remember that the capital PI symbol means to multiply a series of numbers. That definition says to multiply k numbers and then take the kth root.