# Why is Standard Deviation important?

Why is Standard Deviation important?

Standard deviation is one toll of measurement that is mostly associated and used in the field of statistics and probability. Standard deviation measures the degree of variability or diversity among studied elements or variables. Standard deviation is based on the average mean of variables, whereby it accounts how dispersed the data is from its resulting mean. Standard deviation is obtained by first getting the average of the given data. Once the average is obtained, it is then subtracted individually from the single data with the result being squared thereafter. Standard deviation can be further calculated by getting the square root of the summed up results of individually squared variables, which was divided by the number of variables presented in the given data. When the resulting standard deviation is large, it indicates that the data points are far from the obtained average. But when the standard deviation is small, it is indicative that the given variables are close to the computed mean. Standard deviation is most commonly used in finance, sports, climate and other aspects where the concept of standard deviation can well be appropriated.
Standard deviation is an important application that can be variably used, especially in maintaining balance and equilibrium among finances and other quantitative elements. The use of standard deviation is important because it can monitor the status of quantities and is highly indicative of how one firm or institution is performing. The growth of any business firm can be determined with the use of standard deviation. It has the ability to secure the growth of any company as well as it is able to assess if improvements or adjustments are needed. Standard deviation is important because it aids in making statistical studies and researches more reliable, accountable and valid in evidence-based practices.