Andrejs Dunkels Quotes
It is easy to lie with statistics. It is hard to tell the truth without it.
Andrejs Dunkels, 1939–1998, Swedish Mathematician & Writer, Frequent Statement
Sourced by: Eigen's Political and Historical Quotations
More and more scientific researchers and technologists were using research tools that they did not fully understand and sometimes did not understand at all.
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.
Often attributed to Mark Twain, he acknowledged Benjamin Disraeli (former UK Premier) as the source. See linked quote.
Berelson had done a major compendium of research and found that the high quality studies with very good data were usually done in studies or programs that were not very important, while the most important areas were usually informed by poorer data and less rigid studies. As an example he gave the extensive data that the defense department then had on the relative physical fitness prowess of the marines verses the other services, but had little or no data as to whether the marine was a better fighter, had better judgment in crises, was more skilled with weapons system of the time etc. The Education Department had great data on the performance of students on mathematics tests but almost none on how to teach mathematics.
