Breakdown of Wir prüfen die Stichprobe dreifach und speichern die Dokumentation.
und
and
wir
we
prüfen
to check / to test
der
who, which, that (relative pronoun; die, das)
speichern
to save (data, files)
die Dokumentation
the documentation
die Stichprobe
the sample
dreifach
threefold
Questions & Answers about Wir prüfen die Stichprobe dreifach und speichern die Dokumentation.
Why use dreifach here instead of dreimal?
Both work as adverbs describing how we check, but they have a slight nuance. Using dreimal means the action happens on three separate occasions (checking three times). Using dreifach implies a threefold check, which often means a single process that has three layers, parts, or methods of verification.
Why doesn't dreifach have an adjective ending here?
In this sentence, dreifach is acting as an adverb because it describes the verb prüfen (how we check). Adverbs in German do not take endings. If it were acting as an adjective directly in front of a noun, it would need an ending, like in the phrase die dreifache Prüfung (the threefold check).
What is the origin of the word Stichprobe (sample)?
It is a compound of der Stich (prick, stab, or sting) and die Probe (test or sample). Historically, it referred to testing the contents of a sack of grain or a casting of metal by piercing it to extract a small amount. Today, it is the standard term for a random sample or spot check in statistics, business, and science.
Could we use behalten instead of speichern for saving the documentation?
Not quite. The verb speichern specifically refers to saving or storing data, files, or formal information (like on a hard drive or in an archive). The verb behalten means to keep something so you do not lose it or give it away. Because documentation usually refers to data or official records being systematically stored, speichern is the natural choice here.
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