THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 215

Essay

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A study was conducted to determine whether the use of seat belts in vehicles depends on ethnic status in Detroit.A sample of 1,000 people treated for injuries sustained from vehicle accidents was obtained,and each person was classified according to (1)ethnic status (African American or non-African American)and (2)set belt usage (worn or not worn)during the accident.The data are shown in the table below.
Ethnic Status

-Prepare the table of expected values for this test.

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Definitions:

Deformation

The alteration of the shape or size of rocks and geological structures, often under the influence of tectonic forces.

Metamorphism

The process by which a rock's structure or mineral composition is transformed by heat, pressure, or chemical reactions.

Mineral Chemistry

The study of the chemical composition and structure of minerals, including the elements they contain and how those elements are bonded.

Metamorphic Conditions

Conditions involving high temperature and pressure that cause changes in the mineralogy, texture, and chemical composition of rocks.