Exhibit 10-5 The Following Information Was Obtained from Matched Samples

question 9

Multiple Choice

Exhibit 10-5
The following information was obtained from matched samples.
-Refer to Exhibit 10-5. The 95% confidence interval for the difference between the two population means is

• A)-3.776 to 1.776
• B)-2.776 to 2.776
• C)-1.776 to 2.776
• D)0 to 3.776

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Definitions:

Anatomically Modern

Describes humans who share the same range of physical characteristics as contemporary humans, typically relating to Homo sapiens species.

Homo Sapiens

The scientific name for modern humans, characterized by their ability for complex language and social structures.

Consciously Design Tools

The intentional creation or modification of tools or devices through thoughtful planning and creative thought, often to solve a specific problem.

Homo Habilis

Oldest known species in genus Homo; lived in Africa from approximately 2.5 to 1.6 mya.