Swelling of the ankle and feet is relatively frequent symptom in most people. In itself it does not represent a disease but rather the symptom of an underlying disease. 1  Causes of swollen ankles and feet are numerous including:  Dependent swelling (edema)
Report Abuse. POPULATION PARAMETER(p) is a value used to represent a certain QUANTIFIABLE characteristic of a population. This is like the mean or variance of a population and often these values are unknown, and are estimated using sample data.
The variance of a population is defined by the following formula: Ï 2 = Ï (X i-X) 2 / N. where Ï 2 is the population variance, X is the population mean, X i is the i th element from the population, and N is the number of elements in the population. The variance of a sample is defined by slightly different formula: