Experiment is the sole source of truth. It alone can teach us something new: it alone can give us certainty. A quote from French mathematician and physicist Jules Henri Poincare (1854 - 1912) found in "The Foundations of Science", page 127, The Science Press, 1913. The quote also appears in "Statistically Speaking: A dictionary of quotations" compiled by Carl Gaither and Alma Cavazos-Gaither.
It is better to be satisfied with probabilities than to demand impossibilities and starve. A quote attributed to German philosopher, poet, and dramatist Friedrich Schiller (1759 - 1805). The quote may also be found in "The New Book of Unusual Quotations" by Rudolf Flesch (Harper & Row, 1966)
A cartoon to teach about efforts to improve data quality or about summarizing raw data using appropriate statistics and graphics. 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 and on course web sites.
A cartoon to teach about the concept of independent versus dependent variables. 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 and on course web sites.
A cartoon that might be used in teaching about data quality issues. 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 and on course web sites.
A questionnaire is never perfect: some are simply better than others. A quote of American statistician and quality control pioneer William Edwards Deming (1900-1993). The quote appears on page 31 of Deming's book "Some Theory of Sampling" (John Wiley & Sons, 1950) . The quote also appears in "Statistically Speaking: A dictionary of quotations" compiled by Carl Gaither and Alma Cavazos-Gaither.
The way to do research is to attack the facts at the point of greatest astonishment is a quote by British writer Celia Green (1935 - ) from her book "The Decline and Fall of Science" (Hamilton Ltd., 1976). The quote also appears in "Statistically Speaking: A dictionary of quotations" compiled by Carl Gaither and Alma Cavazos-Gaither.
The errors which arise from the absence of facts are far more numerous and more durable than those which result from unsound reasoning respecting true data. is a quote by English Mathematician and inventor Charles Babbage (1791 - 1871). The quote is found on page 119 of his book "On the Economy of Machinery and Manufactures" (1832)