Question: Why do (mathrm{H}_{mathrm{OG}}) and (mathrm{H}_{mathrm{OL}}) vary more than (mathrm{H}_{mathrm{L}}) and (mathrm{H}_{mathrm{G}}), which often vary by about (10 %) ?

Why do \(\mathrm{H}_{\mathrm{OG}}\) and \(\mathrm{H}_{\mathrm{OL}}\) vary more than \(\mathrm{H}_{\mathrm{L}}\) and \(\mathrm{H}_{\mathrm{G}}\), which often vary by about \(10 \%\) ?

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