Boundary
A numeric difference alone does not identify the measured quantity.
Complete source
Fictional display notebook lists sample A, trial1, collected water8 mL; sample B, trial1, collected water12 mL. It supplies no centimetres.
Id
C13
Invitation
Repair a table that wrongly labels its last column Length/cm.
Next try
Try an unrelated parcel-length table and choose its actual quantity/unit before graphing.
Ordinary possible response
The column is Collected water/mL because those are the quantities supplied.
Title
Repair table units