At certain intervals, the ovaries release an ovum, which passes through the Fallopian tube into the uterus. If, in this transit, it meets with sperm, a single sperm can enter and merge with the egg, fertilizing it. Corresponding equivalent among males is the male reproductive system.
The Average Annual Return is a percentage figure used to report a historical return of a given period (most commonly 3-, 5-, 10-year). The most common area using this figure is mutual funds. The deceptive part of Average Annual Return is how it is calculated. It is simply (Sum of Annual Returns) / (# of Years). For example, to earn a 10% annual return, a fund could perform both of the following ways: 1  Return 1: (+10% + +10% + +10% + +15% + +5%) / 5 = 10% Average Annual Return. 2  Return 2: (40% + +30% + -10% + +5% + -15%) / 5 = 10% Average Annual Return.
Historical returns related to stock market investing outperform many other types of investments. According to Vanguard, the historical average return for stocks from 1926 to 2011 is 9.9 percent. In contrast, the average return for bonds during the same period is 5.6 percent.