Check for high variance in estimates

[snacktavish]

E.g. https://tree.opentreeoflife.org/curator/study/view/ot_188/?tab=home has trees which appear to suggests dates ~180 my apart for the same nodes.
Automate outlier flagging?

mrcaott22435ott48209": [
      {
        "age": 180.26569068700005,
        "source_id": "ot_188@Tr44941",
        "time_unit": "Myr"
      },
      {
        "age": 0.13180403246255612,
        "source_id": "ot_188@Tr44936",
        "time_unit": ""
      },
      {
        "age": 0.90353,
        "source_id": "ot_1053@tree1",
        "time_unit": "Myr"
      },
      {
        "age": 159.16197338474652,
        "source_id": "ot_188@Tr44940",
        "time_unit": ""
      },
      {
        "age": 0.14680527520565542,
        "source_id": "ot_188@Tr44937",
        "time_unit": "Myr"
      },
      {
        "age": 0.122182543224993,
        "source_id": "ot_188@Tr44934",
        "time_unit": ""
      },
      {
        "age": 0.23395367207165932,
        "source_id": "ot_188@Tr44935",
        "time_unit": "Myr"
      },
      {
        "age": 175.8762,
        "source_id": "ot_409@tree2",
        "time_unit": "Myr"
      }
    ],```