1. age = τ ± x | y | z

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

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

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

    ω:
    u:
    l:

Nicolaysen, L. Graphic interpretation of discordant age measurements on metamorphic rocks, 1961. Annals of the New York Academy of Sciences, 91(1):198–206.

York, D., Evensen, N.M., Martinez, M.L. and De Basabe Delgado, J., 2004. Unified equations for the slope, intercept, and standard errors of the best straight line. American Journal of Physics, 72(3), pp.367-375.