1 disease that is very rare. 4 diseases without any prevalence information. Causes of Foot-drop in children that are very common The following causes of Foot-drop in children are diseases or medical conditions that affect more than 10 million people in the USA: Trauma.
In statistics, an average of a group of numbers or data points. With a group of numbers, the mean is obtained by adding them and dividing by the number of numbers in the group. Thus the mean of five, seven, and twelve is eight (twenty-four divided by three). (Compare median and mode.)
Definition of Mean. Mean of a set of numbers is the sum of the numbers divided by the number of items in the list. Mean of a set of n numbers a1, a2, a3, ..., an is given by. Mean can also be called as average or arithmetic mean.