helpwithdating net - Radiocarbon dating revolutions in understanding
This number is called a standard deviation and is a measure of the spread of measurements around the mean (average).
One standard deviation has a 68% probability and two standard deviations have a 95% probability.
Libby developed radiocarbon dating; for this, Libby was awarded the 1960 Nobel Prize in chemistry.
Today, it is the most widely used method of dating archaeological materials from the late Pleistocene and Holocene.
The tools to bring this ‘fuzzy chronology’ into sharp focus have been with us for some time, waiting to be rediscovered.
Statisticians began working with ideas first expressed by the English mathematician and Presbyterian minister Thomas Bayes (1702-1761) in the mid-18th century.
With isotopic enrichment and larger sample sizes, ages up to 75,000 years have been measured (Taylor ).