Although crude, this diagram explaining the 'normal' distribution gives a nice picture of the basic criteria we use when interpreting data in the first-year physics lab, specifically the conclusing that a difference of more than two standard deviations indicates a disagreement between two measurements or between theory and experiment.
Saturday, December 21, 2013
"Significance" in data analysis
A friend recently brought this article to my attention. Altough it is specifically about the massive confusion in the general public about the distinction between a theory (very highly reliable, like the Theory of Special and General Relativity) and a law (only useful under special conditions, like the Ideal Gas Law), it makes a great point about data analysis in item 4.
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment