The following have been added to the website:

The description of Fleiss’ kappa has been updated to add the standard error and confidence intervals.

A new webpage on Runs has been added. This page shows how to calculate the probability of getting at least *k* heads in a row in *n* tosses and similar problems. The approach uses recursion and can be done in Excel.

A simple example of the Binomial Distribution and Random Walks is given which shows how to determine the expected deviation of the total number of heads in *n* tosses from the expected value of *n*/2. The result is a bit surprising.

I hope that you find these new additions useful and interesting.

Charles