1. age = τ ± x | y | z

    where:

    τ:
    x:
    y:
    z:
  2. intercept = i ± x | y | z

    where:

    i:
    x:
    y:
    z:
  3. MSWD = x, p(χ2) = y

    where:

    x:
    y:
  4. dispersion = ω + u /- l

    where:

    ω:
    u:
    l:

Ludwig, K.R., 2003. Mathematical–statistical treatment of data and errors for 230 Th/U geochronology. Reviews in Mineralogy and Geochemistry, 52(1), pp.631-656.