Examlex
A photovoltaic system converts light energy directly into heat.
Independent Populations
Populations that are not related or affected by each other, allowing for assumptions of independence in statistical tests.
T-test
A statistical test used to compare the means of two groups to determine if there is a significant difference between them.
Degrees of Freedom
The count of independent figures or measures that can be designated to a statistical distribution.
Distribution
The way in which something is shared out or spread across a range of values, areas, or people.
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