W. Allen Wallis Quotes
Statistics may be defined as "a body of methods for making wise decisions in the face of uncertainty.
Wallis, W. Allen, and Harry V. Roberts. Statistics: A New Approach. Free Press, 1956, p. 11.
The mathematics of modern statistical analysis are excellent, but there are many ways to end up with invalid results by making important errors in gathering the numbers which are then used to calculate the statistics. Often the sample is inadvertently or intentionally biased. Sometimes it is incomplete. Very frequently, the measures do not measure well what someone says they do measure. There are many other ways to mess up a statistical analysis, and is it those critical processes details that Gomez Hurtado tells us all to be worried about. He uses the analogy of blood sausage, which tastes delicious can be made with unsavory and unhealthy ingredients sometimes, and even when made right is a bit shocking to most people to watch the process.
Wilson Allen Wallis was an American economist and statistician who served as president of the University of Rochester. He is best known for the Kruskal–Wallis one-way analysis of variance, which is named after him and William Kruskal.