What does 'ethics' have to do with the field of statistics? It is far too easy for someone with is either unscrupulous or incompetent (or both) to mislead others when it comes to the application of statistical methods and interpretation of their results.
"Figures often beguile me, particularly when I have the arranging of them myself; in which case the remark attributed to Disraeli would often apply with justice and force: 'There are three kinds of lies: lies, damned lies and statistics.' "
- Mark Twain's Own Autobiography: The Chapters from the North American Review
- http://www.twainquotes.com/Statistics.html
Guidelines on Ethics have been developed by the American Statistical Association (ASA).
The Executive Summary is shown below. The entire document is available at the link, and is also attached at the bottom of this page.