Postal Service's available inbound LC/AO volume data is reported separately for surface and air, the Commission applied two separate REIMS II distributions.
Postal Service's surface volume data is more reliable than air data.
mnli hypothesis: Postal Service's surface volume data is more reliable than air data. premise: Postal Service's available inbound LC/AO volume data is reported separately for surface and air, the Commission applied two separate REIMS II distributions.