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TABLE 10-4
A real estate company is interested in testing whether, on average, families in Gotham have been living in their current homes for less time than families in Metropolis have. Assume that the two population variances are equal. A random sample of 100 families from Gotham and a random sample of 150 families in Metropolis yield the following data on length of residence in current homes.
-Referring to Table 10-4, suppose α = 0.05. Which of the following represents the result of the relevant hypothesis test?
Foramen Magnum
The opening in the vertebrate skull through which the spinal cord passes.
Arboreal
Living in trees.
Earliest Primates
The most ancient members of the primate order, believed to have appeared in the Paleocene epoch, characterized by adaptations for arboreal life.
Homo Erectus
Species that originated in Africa about 1.7 mya and then spread to Europe and Asia; may have persisted until 200,000 years ago or later; may be an evolutionary dead end.
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