Examlex
Abiotic oxidation of Fe²⁺ requires oxygen and occurs rapidly when the pH is near 7.
Canadians
Residents or citizens of Canada, a country located in the northern part of North America.
Null Hypothesis
The assumption that no meaningful variation exists between defined groups, attributing any detected differences to random sampling or mistakes in the experiment.
Alternative Hypothesis
In statistical testing, a hypothesis that directly contradicts the null hypothesis, proposing that there is a significant difference or effect.
Random Sample
A method of selecting a subset of individuals from a population in which every individual has an equal chance of being chosen.
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