The dataset presented in this article contains information on respiratory function and smoking. The data can be used to explore descriptive statistics, graphical analysis, regression, and...
A cartoon to teach about interpreting observational studies. Cartoon by John Landers (www.landers.co.uk) based on an idea from Dennis Pearl (The Ohio State University). Free to use in the classroom...
Statistics play an important role in genetics. For instance, statistics prove that the number of offspring you will have is an inherited trait. If your parents didn't have any kids, odds are you...
This lesson on observational studies discusses the nature of such studies, the relationships between various data sets, and regression. Graphs illustrate the relationships, and exercises at the end...
This reference on observational studies discusses and defines cross-sectional, cohort, and case-control studies, risk factors, selection bias, and other topics related to observational studies. ...
"The plural of anecdote is not data." Attributed to American economist Roger E. Brinner in the on-line list of quotes at www.keypress.com/fathom/fathom1/quotes.html
"It is now proved beyond doubt that smoking is one of the leading causes of statistics."
Quote found in Reader's Digest (December, 1961) by journalist Fletcher Knebel (1911-1993)
"In comparing the deaths of one hospital with those of another, any statistics are justly considered absolutely valueless which do not give the ages, the sexes and the diseases of all the cases." is...
"A study in the Washington Post says that women have better verbal skills than men. I just want to say to the authors of that study: 'Duh.'" This a quote from American comedian and talk show host...
"I am not accustomed to saying anything with certainty after only one or two observations. " is a quote by Flemish anatomist Andreas Vesalius (1514-1564). The quote is found in Epistola rationem...