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:

Level of Promiscuity

A measure or assessment of an individual's or population's engagement in varying degrees of casual sexual activity.

Ordinal

Pertaining to data types or variables that represent categories with a meaningful order but no consistent difference between adjacent categories.

Ordinal

Pertaining to a type of data or scale that reflects order or ranking among categories, without indicating magnitude differences.

Categorical

Pertaining to data that can be divided into specific groups or categories that are qualitatively distinct from each other, such as gender or color.