Mean, Median, and Standard Deviation

Mean, median, and standard deviation are all mathematical concepts that can be used to measure the distribution of data.

The mean is the average value of a distribution and will always be greater than or equal to the median.

The median is the position at which half of a set of values lie above and half lie below.

Standard deviation measures how spread out a distribution is from the mean.

There are two different types of statistics that are commonly associated with a set of data, or a population - the mean and the median. The mean is the average value of all the values in a population, calculated by adding up all of the values and then dividing them by how many values there are. The median is the middle number in an ordered set of numbers. It’s important to know which you should use because they can give very different results.

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