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A scientist is hoping to compare the mean levels of DDT toxin found in three species of fish in a local river. He randomly samples 50 of each species to use in the analysis. For each fish, he measures the amount of DDT toxin present. Ideally he will be able to rank the species based on the mean level of toxin found in each of the three species. How many factors are present in this study?
Antislavery Movement
A social and political campaign against the practice and institution of slavery that emerged in various forms across different times and places.
Artisanal Trades
Skilled craftwork professions where the craftsman creates products in a traditional or non-mechanized manner, often by hand.
Negro Election Day
A historical celebration among African Americans in New England during the colonial period, where they would elect their own leaders in parallel to white colonial elections.
South Carolina Lowcountry
The South Carolina Lowcountry is a geographic and cultural region along South Carolina's coast, known for its unique history, culture, and natural landscapes.
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