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The test statistic for a test of individual significance is assumed to have a t distribution with n - k - 2 degrees of freedom, where n is the sample size and k is the number of explanatory variables.
Sediment
Particulate material that is transported and deposited by wind, water, or ice, often forming layers on the Earth's surface.
Red Algae
A group of primarily aquatic, photosynthetic organisms, known for their reddish pigmentation and importance in marine ecosystems.
Billion Years
A unit of time used in geology, astronomy, and evolutionary biology, among other fields, to describe extremely long periods in Earth's history or the history of the universe.
India
A country in South Asia, known for its diverse cultures, languages, and histories, and as the seventh-largest country by land area.
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