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:

Over-the-counter Products

Medications or goods that can be purchased without a prescription, directly from a retailer.

Walgreens

An American company that operates as the second-largest pharmacy store chain in the United States, offering health and wellness products, prescriptions, and healthcare services.

CVS

An American retail corporation that operates a chain of pharmacies and convenience stores.

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