The Textbook Concludes_______

question 79

Multiple Choice

The textbook concludes_______ .

• A) no one knows how far birds migrate
• B) all songbirds are about to die
• C) the bobolink has become extinct
• D) bird migration patterns have been unchanged for thousands of years
• E) global climate change affects bird populations

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Definitions:

Confidence Interval

A statistical range, with a certain probability, that is likely to contain the true value of an unknown population parameter.

Mean Height

The average height of a group of individuals.

Confidence Interval

A set of values, from sampled data, believed to contain the value of an obscure population parameter.

Sample Mean

The arithmetic average of a set of values sampled from a population, used as an estimate of the population mean.