variability
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variability
The quality of being changeable or diverse; the extent to which something can vary or differ.
Die hohe genetische Variabilität innerhalb einer Art erhöht ihre Überlebenschancen.
The high genetic variability within a species increases its chances of survival.
The ending '-ität' is typical for nouns that describe a quality or state. It is often attached to adjectives, here to 'variabel' (variable), to form the noun 'Variabilität' (variability).
Die Variabilität der Testergebnisse macht eine Auswertung schwierig.
The variability of the test results makes evaluation difficult.
This word belongs to a word family. The adjective is 'variabel' (variable/changeable), and the related verb is 'variieren' (to vary, to change, to be different).
Die Preise für das Produkt variieren je nach Saison stark.
The prices for the product vary greatly depending on the season.
'Variabilität' (variability) is a rather formal and scientific word. It is often found in specialized fields such as biology, statistics, or economics.
In der Statistik ist die Variabilität ein wichtiges Maß für die Streuung von Daten.
In statistics, variability is an important measure of the dispersion of data.
diversity
'Vielfalt' and 'Variabilität' both have to do with differences. 'Vielfalt' describes the presence of many different types, forms, or possibilities. 'Variabilität' is more about something being changeable or able to turn out differently. The word is often used when talking about characteristics, values, results, or conditions. Learners may confuse the words because both point to differences. When you see many different things, 'Vielfalt' fits. When you want to say how much something can fluctuate or change, 'Variabilität' is better.
Wegen der hohen Variabilität der Arbeitszeiten plant meine Kollegin ihre Termine sehr vorsichtig.
Because of the high variability in working hours, my colleague plans her appointments very carefully.
Im Urlaub begeistert uns die Vielfalt der Landschaften.
On vacation, we are fascinated by the diversity of the landscapes.