There are many reasons why the point pattern in a Q-Q plot may not be linear. Chambers and others (1983) and Fowlkes (1987) discuss the interpretations of commonly encountered departures from ...

For example, the data in the "Getting Started" section are reasonably described by a normal distribution with mean 10 and standard deviation 0.3. It is instructive to display these data on normal P-P ...

A two-way table is a way to organise data about two specific variables. This example shows a two-way table where the variables are gender and favourite sport. What is the probability of randomly ...