Summary Statistics Calculator

In statistics, x-bar (x) is a symbol used to represent the sample mean of a…

A trimmed mean is the mean of a dataset that has been calculated after removing…

Simpson’s Diversity Index is a way to measure the diversity of species in a community.…

The Shannon Diversity Index is a way to measure the diversity of species in a…

A grand mean is calculated as the average of the means of several groups. To…

The interquartile range, often abbreviated IQR, is the difference between the 25th percentile (Q1) and…

Number needed to harm (NNH) refers to the average number of patients who need to…

This calculator finds the attributable risk, attributable risk percentage, and population attributable risk percentage for…

In statistics, the upper and lower fences represent the cut-off values for upper and lower…

Cohen’s kappa measures the level of agreement between two raters or judges who each classify…