Facial hair begins growing during puberty or shortly after. This typically happens between the ages of 9 and 15, but in some cases it may occur at a younger or older age [source: Avert]. There's no specific age when boys should begin shaving -- that's a question that parents must answer on an individual basis.
The median value is the mid-point of that value's distribution for all funds in a sample. For instance, one half of the funds in a group have returns below the median, and the other half has returns above the median. Sponsors Center.
A median is the middle number in a sorted list of numbers. To determine the median value in a sequence of numbers, the numbers must first be arranged in value order from lowest to highest. If there is an odd amount of numbers, the median value is the number that is in the middle, with the same amount of numbers below and above.