Skewness Formula For Grouped Data In Excel. The excel skew function calculates the skewness of the distribution of a supplied set of values. The whole formula is.
The syntax of the function is. The excel skew function calculates the skewness of the distribution of a supplied set of values. Where the numberarguments provide a minimum of 3 numeric values that make up the data set.
σ fancy symbol that means sum x i the value of the i th value in the dataset.
Population skewness sample skewness x n 2 square root of n x n 1 where n population size number of values you can see how skewness excel calculation works in practice in the descriptive statistics calculator. Therefore the skewness of the distribution is 0 39 which indicates that the data distribution is approximately symmetrical. S standard deviation. σ fancy symbol that means sum x i the value of the i th value in the dataset.
