Wildlife Scientists Studying a Certain Species of Frogs Know That

question 17

Essay

Wildlife scientists studying a certain species of frogs know that past records indicate the adults should weigh an average of 118 grams with a standard deviation of 14 grams. The researchers collect a random sample of 50 adult frogs and weigh them. In their sample the mean weight was only 110 grams. One of the scientists is alarmed, fearing that environmental changes may be adversely affecting the frogs. Do you think this sample result is unusually low? Explain.

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Definitions:

Subjugation

The action of bringing someone or something under domination or control, often by conquest or force.

German Democratic Republic

Also known as East Germany, a socialist state that existed from 1949 to 1990 in the eastern part of Germany, aligned with the Eastern Bloc during the Cold War.

East Germany

Officially the German Democratic Republic (GDR), a state that existed from 1949 to 1990 in the eastern portion of Germany, characterized by its socialist government and part of the Eastern Bloc during the Cold War.

Bundesrat

The federal council representing the federal states (Länder) of Germany at the national level, part of Germany's bicameral legislature.