Running totals and rates of change answer different questions: How much has...

https://averysmastercolumn.hexaforgey.com/posts/what-is-a-running-total-in-a-delivery-log

Running totals and rates of change answer different questions: How much has arrived so far, and how quickly is it arriving? This article uses parcel deliveries to show why units matter, from parcels per hour to parcels accumulated over a shift