1. A provisional assumption or proposed explanation adopted as a basis for investigation or discussion, subject to change as new evidence emerges
The team's working hypothesis was that the decline in sales was due to increased competition.
A hipótese de trabalho da equipe era que o declínio nas vendas era devido à maior concorrência.
2. A tentative theory or framework used to guide research or problem-solving before reaching final conclusions
We started with a working hypothesis and adjusted it as we gathered more data.
Começamos com uma hipótese de trabalho e a ajustamos conforme coletávamos mais dados.