See how a running total differs from a rate of change with parcel deliveries:...
https://rapid-wiki.win/index.php/Why_Is_the_Derivative_Zero_Between_Jumps_on_a_Step_Graph%3F
See how a running total differs from a rate of change with parcel deliveries: parcels shipped so far this week versus parcels per day. You’ll learn why units and time windows matter when reading charts at work.