Summary Statistics Calculator

Cronbach’s Alpha is a way to measure the internal consistency of a survey or questionnaire.…

This calculator creates a covariance matrix for up to five different variables. Simply enter the…

This calculator creates a correlation matrix for up to five different variables. Simply enter the…

The 90th percentile of a dataset is the value that cuts off the first 90…

The semi-interquartile range is a way to measure the spread of observations in a dataset.…

Cumulative frequency is a measure of the total frequencies up to a certain point in…

The median absolute deviation, often abbreviated MAD, measures the spread of observations in a dataset.…

We can normalize values in a dataset by subtracting the mean and then dividing by…

In a frequency distribution, class width refers to the difference between the upper and lower…

A frequency table is a table that shows how many times certain values occur in…