Examlex
Most of the cleaning solutions used for computers do not contain flammable or poisonous materials.
Group Means
The average values obtained from the data of individuals within groups, used to compare and analyze the characteristics of different clusters in a study.
Null Hypothesis
A default hypothesis that there is no effect or no difference, and any observed change is due to chance or sampling error.
Probability Level
A statistical threshold, often denoted by alpha, which determines the cutoff point at which a result is considered statistically significant.
Statistically Significant
Refers to a result that is unlikely to have occurred by chance alone, according to a predetermined threshold in statistical testing.
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