Everyone is moving towards a more advanced way of living and working to make their lives easy. Technology and science integration has done a bundle of wonders in facilitating human’s personal and professional life. Our lives were never this manageable before. Everyone is using some gadget or software for personal gains and interests. Like an empirical rule, the calculator helps students and workers to apply empirical rule formula on any normally distributed data easily. It does not mean for the user’s huge inputs as it is designed to provide answers through empirical rule statistics.

Empirical Rule in Statistics:

What is the empirical rule in statistics? The empirical rule is a commonly used rule that incorporates three sigmas. The three-sigma rule helps to categorize the data in three standard deviations. According to the empirical rule:

First standard deviation – 68 % of data goes in this category

Seconds standard deviation – 95 % data fall in this category

Third standard deviation –  99 % of the data fall in this category

Values generated by empirical rule calculator are used in statistics for the analysis of the distribution of data. It assists in forecasting the outcomes and predicting the interpretation.

Elements and Graph Designing:

The empirical rule calculation involves the normally distributed data. Any data other than the normal distribution is not able to access by the empirical calculator. There are few important elements of empirical rule statistics that are mentioned below:

  •         Data distribution
  •         Mean value of data
  •         Standard deviation
  •         Graph plot and calculation

The data must be distributed normally. The mean value of data is the average value of the data. The standard deviation terms the degree of variation from the mean value. The graph’s plotting is the next element, and it is of bell shape for normally distributed data. Write the mean value in the middle of the bell shape and standard deviation values at the other sides. In the end, incorporate the mean and standard deviation values in the empirical rule calculator.

Manual vs. Conventional Ways:

It is a common debate that which way of working is more appropriate and beneficial for physics calculations. The increasing usage of the empirical rule calculator depicts the high advantages and satisfaction provided to the users. The manual ways are time-taking and involve many efforts. Get rid of such methods that are traditional and involves high error chances.

The students need to use such formulas and rules frequently, so do not go for such ways that waste time. The empirical rule calculator and other tools are perfect for them. The conventional tools are free of cost to use to get access through online digital means. It is not even required to install for usage.

The Basics of Empirical Rule:

The graph designing includes the mean value at the center and standards deviation on the sides of it. The right side of the standard deviation is positive, while the left side ones are negative. The mean and standard deviation formula are listed below:

Μ = (Σ xi) / n

Σ = √ (∑ (xi – µ) ² / (n – 1)


Xi is every data value

N is the number of values

∑ is the sum of all values

The data values of data resulted from empirical rule calculator that lie in the range of μ – σ and μ + σ are termed as the first category standard deviation. The data values that show deviation till negative two and positive two standard deviations from mean fall in the second category. The values deviate larger than this fall in the third standard deviation category.