Tag Archives: descriptive statistics

Median

The median is one of two measures of center of one quantitative variable in summary statistics.When numbers in a data set are ordered sequentially, the median is the middle value in the total list of numbers. For the rest of the values in the data set, this means half of the numbers lie above the […]

Median

The Median is the middle of a ordered distribution of a sample, range, population, or simply list of numbers or values. When this distribution has an odd number of terms, the median is the middle most value. If the number set is even then the median is the mean of the two middle values.  In contrast to the mean, […]

Mean

The mean, also referred to as average, of a set of data is the sum of all the data elements divided by the total number of elements. As a mathematical equation it is represented as, , where y represents the data elements and n represents the total number of data elements. In descriptive statistics there are two […]

Mean

Within a data set, the mean is simply the average of n numbers in the set. It is commonly used to measure central tendencies and is calculated by taking the sum of all the numbers in the set and dividing that sum by the number of data points, n. This can be viewed symbolically for the sample mean, x […]