For k replicate measurements Xj with uncertainty Sj of a single sample material, the square of the error multiplier is defined as
where the error weighted mean μ is defined as
Reference: ERROR AND UNCERTAINTY IN RADIOCARBON MEASUREMENTS RADIOCARBON, Vol 49, Nr 2, 2007, p 427-440 E Marian Scott, et al
Sample_Type | pretreatment | errmult |
bone, antler or tooth root | Collagen | 1.30 |
wood | AAA | 1.20 |
shell or other carbonates | Acid Etch | 1.00 |