Misquantify

Anyone with the ability to misquantify from these base labels is on his own.

Source: wiktionary

In the sketch Precisely (1983), over drinks two technocrats named Roger and Stephen flout their specialised knowledge and mock the populace for misquantifying predicted death tolls resultant from what is implied to be some kind of nuclear strike:

Source: wiktionary

The tradeoff for this throughput lies in the inability of the system to resolve compounds with the same molecular weight, and that it can misannotate ions or misquantify the abundance of ions that are in crowded regions of the mass spectrum.

Source: wiktionary