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For a left tail test, it is the value further to the left (smaller). For a two-tail test, it’s the value further to the left and the value further to the right. Note, it is not the column with the degrees of freedom further to the right, it’s the criticalRead More →

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Lemurs are primates found only on the African island of Madagascar and some tiny neighboring islands. … Because of its geographic isolation, Madagascar is home to many amazing animals found nowhere else on Earth. Why do ring tailed lemurs live in Madagascar? It’s thought they floated over from the AfricanRead More →